Home / 12,521,928.70-18,782,893.05-6,144,636.70

Finding the Fourth Proportional to 12,521,928.70, 18,782,893.05 and 6,144,636.70

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Solution

The fourth proportional to 12,521,928.70, 18,782,893.05 and 6,144,636.70 is: 9,216,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,928.70 : 18,782,893.05 = 6,144,636.70 : x
  2. Step 2: Convert to fraction form
    12,521,928.70/18,782,893.05 = 6,144,636.70/x
  3. Step 3: Cross multiply
    12,521,928.70x = 18,782,893.05 × 6,144,636.70
  4. Step 4: Simplify right side
    12,521,928.70x = 115,414,053,967,204.94
  5. Step 5: Solve for x
    x = 115,414,053,967,204.94/12,521,928.70
  6. Step 6: Final answer
    x = 9,216,955.05

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Double scale
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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.