Home / 31,031,814.86-42,822,321.81-17,092,869.89

Finding the Fourth Proportional to 31,031,814.86, 42,822,321.81 and 17,092,869.89

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Solution

The fourth proportional to 31,031,814.86, 42,822,321.81 and 17,092,869.89 is: 23,587,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,814.86 : 42,822,321.81 = 17,092,869.89 : x
  2. Step 2: Convert to fraction form
    31,031,814.86/42,822,321.81 = 17,092,869.89/x
  3. Step 3: Cross multiply
    31,031,814.86x = 42,822,321.81 × 17,092,869.89
  4. Step 4: Simplify right side
    31,031,814.86x = 731,956,374,807,829.50
  5. Step 5: Solve for x
    x = 731,956,374,807,829.50/31,031,814.86
  6. Step 6: Final answer
    x = 23,587,288.66

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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.