Home / 23,174,366.20-31,980,418.27-12,720,072.91

Finding the Fourth Proportional to 23,174,366.20, 31,980,418.27 and 12,720,072.91

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Solution

The fourth proportional to 23,174,366.20, 31,980,418.27 and 12,720,072.91 is: 17,553,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174,366.20 : 31,980,418.27 = 12,720,072.91 : x
  2. Step 2: Convert to fraction form
    23,174,366.20/31,980,418.27 = 12,720,072.91/x
  3. Step 3: Cross multiply
    23,174,366.20x = 31,980,418.27 × 12,720,072.91
  4. Step 4: Simplify right side
    23,174,366.20x = 406,793,252,182,547.19
  5. Step 5: Solve for x
    x = 406,793,252,182,547.19/23,174,366.20
  6. Step 6: Final answer
    x = 17,553,586.96

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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.