Home / 15,482,756.70-21,366,819.88-8,514,005.59

Finding the Fourth Proportional to 15,482,756.70, 21,366,819.88 and 8,514,005.59

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Solution

The fourth proportional to 15,482,756.70, 21,366,819.88 and 8,514,005.59 is: 11,749,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,756.70 : 21,366,819.88 = 8,514,005.59 : x
  2. Step 2: Convert to fraction form
    15,482,756.70/21,366,819.88 = 8,514,005.59/x
  3. Step 3: Cross multiply
    15,482,756.70x = 21,366,819.88 × 8,514,005.59
  4. Step 4: Simplify right side
    15,482,756.70x = 181,917,223,784,078.28
  5. Step 5: Solve for x
    x = 181,917,223,784,078.28/15,482,756.70
  6. Step 6: Final answer
    x = 11,749,666.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.