Home / 15,407,005.68-21,261,666.24-8,531,488.62

Finding the Fourth Proportional to 15,407,005.68, 21,261,666.24 and 8,531,488.62

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Solution

The fourth proportional to 15,407,005.68, 21,261,666.24 and 8,531,488.62 is: 11,773,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407,005.68 : 21,261,666.24 = 8,531,488.62 : x
  2. Step 2: Convert to fraction form
    15,407,005.68/21,261,666.24 = 8,531,488.62/x
  3. Step 3: Cross multiply
    15,407,005.68x = 21,261,666.24 × 8,531,488.62
  4. Step 4: Simplify right side
    15,407,005.68x = 181,393,663,568,798.16
  5. Step 5: Solve for x
    x = 181,393,663,568,798.16/15,407,005.68
  6. Step 6: Final answer
    x = 11,773,453.41

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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.