Home / 10,443,621.40-15,665,432.10-9,546,076.60

Finding the Fourth Proportional to 10,443,621.40, 15,665,432.10 and 9,546,076.60

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Solution

The fourth proportional to 10,443,621.40, 15,665,432.10 and 9,546,076.60 is: 14,319,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,621.40 : 15,665,432.10 = 9,546,076.60 : x
  2. Step 2: Convert to fraction form
    10,443,621.40/15,665,432.10 = 9,546,076.60/x
  3. Step 3: Cross multiply
    10,443,621.40x = 15,665,432.10 × 9,546,076.60
  4. Step 4: Simplify right side
    10,443,621.40x = 149,543,414,798,698.84
  5. Step 5: Solve for x
    x = 149,543,414,798,698.84/10,443,621.40
  6. Step 6: Final answer
    x = 14,319,114.90

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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.