Home / 13,147,246.40-19,720,869.60-9,564,065.60

Finding the Fourth Proportional to 13,147,246.40, 19,720,869.60 and 9,564,065.60

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Solution

The fourth proportional to 13,147,246.40, 19,720,869.60 and 9,564,065.60 is: 14,346,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,246.40 : 19,720,869.60 = 9,564,065.60 : x
  2. Step 2: Convert to fraction form
    13,147,246.40/19,720,869.60 = 9,564,065.60/x
  3. Step 3: Cross multiply
    13,147,246.40x = 19,720,869.60 × 9,564,065.60
  4. Step 4: Simplify right side
    13,147,246.40x = 188,611,690,543,445.78
  5. Step 5: Solve for x
    x = 188,611,690,543,445.78/13,147,246.40
  6. Step 6: Final answer
    x = 14,346,098.40

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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.