Home / 10,543,546.60-15,815,319.90-6,288,519.40

Finding the Fourth Proportional to 10,543,546.60, 15,815,319.90 and 6,288,519.40

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Solution

The fourth proportional to 10,543,546.60, 15,815,319.90 and 6,288,519.40 is: 9,432,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,546.60 : 15,815,319.90 = 6,288,519.40 : x
  2. Step 2: Convert to fraction form
    10,543,546.60/15,815,319.90 = 6,288,519.40/x
  3. Step 3: Cross multiply
    10,543,546.60x = 15,815,319.90 × 6,288,519.40
  4. Step 4: Simplify right side
    10,543,546.60x = 99,454,946,008,356.06
  5. Step 5: Solve for x
    x = 99,454,946,008,356.06/10,543,546.60
  6. Step 6: Final answer
    x = 9,432,779.10

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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.