Home / 20,890,966.10-31,334,591.57-7,243,807.26

Finding the Fourth Proportional to 20,890,966.10, 31,334,591.57 and 7,243,807.26

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Solution

The fourth proportional to 20,890,966.10, 31,334,591.57 and 7,243,807.26 is: 10,865,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,966.10 : 31,334,591.57 = 7,243,807.26 : x
  2. Step 2: Convert to fraction form
    20,890,966.10/31,334,591.57 = 7,243,807.26/x
  3. Step 3: Cross multiply
    20,890,966.10x = 31,334,591.57 × 7,243,807.26
  4. Step 4: Simplify right side
    20,890,966.10x = 226,981,741,808,929.41
  5. Step 5: Solve for x
    x = 226,981,741,808,929.41/20,890,966.10
  6. Step 6: Final answer
    x = 10,865,066.78

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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.