Home / 13,909,861.60-20,836,798.80-9,654,834.40

Finding the Fourth Proportional to 13,909,861.60, 20,836,798.80 and 9,654,834.40

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Solution

The fourth proportional to 13,909,861.60, 20,836,798.80 and 9,654,834.40 is: 14,462,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,861.60 : 20,836,798.80 = 9,654,834.40 : x
  2. Step 2: Convert to fraction form
    13,909,861.60/20,836,798.80 = 9,654,834.40/x
  3. Step 3: Cross multiply
    13,909,861.60x = 20,836,798.80 × 9,654,834.40
  4. Step 4: Simplify right side
    13,909,861.60x = 201,175,841,840,118.75
  5. Step 5: Solve for x
    x = 201,175,841,840,118.75/13,909,861.60
  6. Step 6: Final answer
    x = 14,462,821.24

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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.