Home / 10,572,542.20-15,858,813.30-6,515,875.90

Finding the Fourth Proportional to 10,572,542.20, 15,858,813.30 and 6,515,875.90

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Solution

The fourth proportional to 10,572,542.20, 15,858,813.30 and 6,515,875.90 is: 9,773,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,542.20 : 15,858,813.30 = 6,515,875.90 : x
  2. Step 2: Convert to fraction form
    10,572,542.20/15,858,813.30 = 6,515,875.90/x
  3. Step 3: Cross multiply
    10,572,542.20x = 15,858,813.30 × 6,515,875.90
  4. Step 4: Simplify right side
    10,572,542.20x = 103,334,059,384,069.48
  5. Step 5: Solve for x
    x = 103,334,059,384,069.48/10,572,542.20
  6. Step 6: Final answer
    x = 9,773,813.85

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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.