Home / 22,690,434.74-31,312,999.78-12,377,203.70

Finding the Fourth Proportional to 22,690,434.74, 31,312,999.78 and 12,377,203.70

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Solution

The fourth proportional to 22,690,434.74, 31,312,999.78 and 12,377,203.70 is: 17,080,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,434.74 : 31,312,999.78 = 12,377,203.70 : x
  2. Step 2: Convert to fraction form
    22,690,434.74/31,312,999.78 = 12,377,203.70/x
  3. Step 3: Cross multiply
    22,690,434.74x = 31,312,999.78 × 12,377,203.70
  4. Step 4: Simplify right side
    22,690,434.74x = 387,567,376,547,607.19
  5. Step 5: Solve for x
    x = 387,567,376,547,607.19/22,690,434.74
  6. Step 6: Final answer
    x = 17,080,650.11

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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.