Home / 10,109,715.60-15,133,080.60-7,275,363.60

Finding the Fourth Proportional to 10,109,715.60, 15,133,080.60 and 7,275,363.60

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Solution

The fourth proportional to 10,109,715.60, 15,133,080.60 and 7,275,363.60 is: 10,890,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,715.60 : 15,133,080.60 = 7,275,363.60 : x
  2. Step 2: Convert to fraction form
    10,109,715.60/15,133,080.60 = 7,275,363.60/x
  3. Step 3: Cross multiply
    10,109,715.60x = 15,133,080.60 × 7,275,363.60
  4. Step 4: Simplify right side
    10,109,715.60x = 110,098,663,753,106.16
  5. Step 5: Solve for x
    x = 110,098,663,753,106.16/10,109,715.60
  6. Step 6: Final answer
    x = 10,890,381.90

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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.