Home / 14,293,535.28-19,725,063.68-7,767,149.28

Finding the Fourth Proportional to 14,293,535.28, 19,725,063.68 and 7,767,149.28

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Solution

The fourth proportional to 14,293,535.28, 19,725,063.68 and 7,767,149.28 is: 10,718,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293,535.28 : 19,725,063.68 = 7,767,149.28 : x
  2. Step 2: Convert to fraction form
    14,293,535.28/19,725,063.68 = 7,767,149.28/x
  3. Step 3: Cross multiply
    14,293,535.28x = 19,725,063.68 × 7,767,149.28
  4. Step 4: Simplify right side
    14,293,535.28x = 153,207,514,160,066.16
  5. Step 5: Solve for x
    x = 153,207,514,160,066.16/14,293,535.28
  6. Step 6: Final answer
    x = 10,718,657.85

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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.