Home / 29,008,615.05-40,031,053.54-15,955,873.90

Finding the Fourth Proportional to 29,008,615.05, 40,031,053.54 and 15,955,873.90

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Solution

The fourth proportional to 29,008,615.05, 40,031,053.54 and 15,955,873.90 is: 22,018,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008,615.05 : 40,031,053.54 = 15,955,873.90 : x
  2. Step 2: Convert to fraction form
    29,008,615.05/40,031,053.54 = 15,955,873.90/x
  3. Step 3: Cross multiply
    29,008,615.05x = 40,031,053.54 × 15,955,873.90
  4. Step 4: Simplify right side
    29,008,615.05x = 638,730,442,228,421.38
  5. Step 5: Solve for x
    x = 638,730,442,228,421.38/29,008,615.05
  6. Step 6: Final answer
    x = 22,018,646.57

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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.