Home / 10,654,101.60-15,982,318.80-10,318,178.40

Finding the Fourth Proportional to 10,654,101.60, 15,982,318.80 and 10,318,178.40

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Solution

The fourth proportional to 10,654,101.60, 15,982,318.80 and 10,318,178.40 is: 15,478,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,101.60 : 15,982,318.80 = 10,318,178.40 : x
  2. Step 2: Convert to fraction form
    10,654,101.60/15,982,318.80 = 10,318,178.40/x
  3. Step 3: Cross multiply
    10,654,101.60x = 15,982,318.80 × 10,318,178.40
  4. Step 4: Simplify right side
    10,654,101.60x = 164,908,416,624,073.94
  5. Step 5: Solve for x
    x = 164,908,416,624,073.94/10,654,101.60
  6. Step 6: Final answer
    x = 15,478,397.22

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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.