Home / 22,495,811.76-31,044,172.86-12,182,502.96

Finding the Fourth Proportional to 22,495,811.76, 31,044,172.86 and 12,182,502.96

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Solution

The fourth proportional to 22,495,811.76, 31,044,172.86 and 12,182,502.96 is: 16,811,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495,811.76 : 31,044,172.86 = 12,182,502.96 : x
  2. Step 2: Convert to fraction form
    22,495,811.76/31,044,172.86 = 12,182,502.96/x
  3. Step 3: Cross multiply
    22,495,811.76x = 31,044,172.86 × 12,182,502.96
  4. Step 4: Simplify right side
    22,495,811.76x = 378,195,727,757,701.69
  5. Step 5: Solve for x
    x = 378,195,727,757,701.69/22,495,811.76
  6. Step 6: Final answer
    x = 16,811,828.43

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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.