Home / 10,543,643.10-15,815,464.65-6,288,615.90

Finding the Fourth Proportional to 10,543,643.10, 15,815,464.65 and 6,288,615.90

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Solution

The fourth proportional to 10,543,643.10, 15,815,464.65 and 6,288,615.90 is: 9,432,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,643.10 : 15,815,464.65 = 6,288,615.90 : x
  2. Step 2: Convert to fraction form
    10,543,643.10/15,815,464.65 = 6,288,615.90/x
  3. Step 3: Cross multiply
    10,543,643.10x = 15,815,464.65 × 6,288,615.90
  4. Step 4: Simplify right side
    10,543,643.10x = 99,457,382,463,877.94
  5. Step 5: Solve for x
    x = 99,457,382,463,877.94/10,543,643.10
  6. Step 6: Final answer
    x = 9,432,923.85

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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.