Home / 21,386,276.10-32,079,414.15-7,009,812.90

Finding the Fourth Proportional to 21,386,276.10, 32,079,414.15 and 7,009,812.90

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Solution

The fourth proportional to 21,386,276.10, 32,079,414.15 and 7,009,812.90 is: 10,514,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,276.10 : 32,079,414.15 = 7,009,812.90 : x
  2. Step 2: Convert to fraction form
    21,386,276.10/32,079,414.15 = 7,009,812.90/x
  3. Step 3: Cross multiply
    21,386,276.10x = 32,079,414.15 × 7,009,812.90
  4. Step 4: Simplify right side
    21,386,276.10x = 224,870,691,133,112.53
  5. Step 5: Solve for x
    x = 224,870,691,133,112.53/21,386,276.10
  6. Step 6: Final answer
    x = 10,514,719.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.