Home / 20,779,246.10-31,168,869.15-9,441,838.10

Finding the Fourth Proportional to 20,779,246.10, 31,168,869.15 and 9,441,838.10

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Solution

The fourth proportional to 20,779,246.10, 31,168,869.15 and 9,441,838.10 is: 14,162,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,246.10 : 31,168,869.15 = 9,441,838.10 : x
  2. Step 2: Convert to fraction form
    20,779,246.10/31,168,869.15 = 9,441,838.10/x
  3. Step 3: Cross multiply
    20,779,246.10x = 31,168,869.15 × 9,441,838.10
  4. Step 4: Simplify right side
    20,779,246.10x = 294,291,416,274,384.56
  5. Step 5: Solve for x
    x = 294,291,416,274,384.56/20,779,246.10
  6. Step 6: Final answer
    x = 14,162,757.15

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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.