Home / 10,443,645.40-15,665,468.10-9,546,100.60

Finding the Fourth Proportional to 10,443,645.40, 15,665,468.10 and 9,546,100.60

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Solution

The fourth proportional to 10,443,645.40, 15,665,468.10 and 9,546,100.60 is: 14,319,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,645.40 : 15,665,468.10 = 9,546,100.60 : x
  2. Step 2: Convert to fraction form
    10,443,645.40/15,665,468.10 = 9,546,100.60/x
  3. Step 3: Cross multiply
    10,443,645.40x = 15,665,468.10 × 9,546,100.60
  4. Step 4: Simplify right side
    10,443,645.40x = 149,544,134,428,690.84
  5. Step 5: Solve for x
    x = 149,544,134,428,690.84/10,443,645.40
  6. Step 6: Final answer
    x = 14,319,150.90

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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.