Home / 22,710,579.28-31,340,194.68-12,920,812.72

Finding the Fourth Proportional to 22,710,579.28, 31,340,194.68 and 12,920,812.72

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Solution

The fourth proportional to 22,710,579.28, 31,340,194.68 and 12,920,812.72 is: 17,830,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710,579.28 : 31,340,194.68 = 12,920,812.72 : x
  2. Step 2: Convert to fraction form
    22,710,579.28/31,340,194.68 = 12,920,812.72/x
  3. Step 3: Cross multiply
    22,710,579.28x = 31,340,194.68 × 12,920,812.72
  4. Step 4: Simplify right side
    22,710,579.28x = 404,940,786,068,620.38
  5. Step 5: Solve for x
    x = 404,940,786,068,620.38/22,710,579.28
  6. Step 6: Final answer
    x = 17,830,491.29

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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.