Home / 28,016,912.10-42,025,368.15-10,971,920.10

Finding the Fourth Proportional to 28,016,912.10, 42,025,368.15 and 10,971,920.10

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Solution

The fourth proportional to 28,016,912.10, 42,025,368.15 and 10,971,920.10 is: 16,457,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,912.10 : 42,025,368.15 = 10,971,920.10 : x
  2. Step 2: Convert to fraction form
    28,016,912.10/42,025,368.15 = 10,971,920.10/x
  3. Step 3: Cross multiply
    28,016,912.10x = 42,025,368.15 × 10,971,920.10
  4. Step 4: Simplify right side
    28,016,912.10x = 461,098,981,514,884.81
  5. Step 5: Solve for x
    x = 461,098,981,514,884.81/28,016,912.10
  6. Step 6: Final answer
    x = 16,457,880.15

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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.