Home / 14,367,809.70-21,551,714.55-11,816,892.90

Finding the Fourth Proportional to 14,367,809.70, 21,551,714.55 and 11,816,892.90

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Solution

The fourth proportional to 14,367,809.70, 21,551,714.55 and 11,816,892.90 is: 17,725,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,809.70 : 21,551,714.55 = 11,816,892.90 : x
  2. Step 2: Convert to fraction form
    14,367,809.70/21,551,714.55 = 11,816,892.90/x
  3. Step 3: Cross multiply
    14,367,809.70x = 21,551,714.55 × 11,816,892.90
  4. Step 4: Simplify right side
    14,367,809.70x = 254,674,302,648,721.72
  5. Step 5: Solve for x
    x = 254,674,302,648,721.72/14,367,809.70
  6. Step 6: Final answer
    x = 17,725,339.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.