Home / 10,387,515.60-15,581,273.40-6,561,140.40

Finding the Fourth Proportional to 10,387,515.60, 15,581,273.40 and 6,561,140.40

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Solution

The fourth proportional to 10,387,515.60, 15,581,273.40 and 6,561,140.40 is: 9,841,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,515.60 : 15,581,273.40 = 6,561,140.40 : x
  2. Step 2: Convert to fraction form
    10,387,515.60/15,581,273.40 = 6,561,140.40/x
  3. Step 3: Cross multiply
    10,387,515.60x = 15,581,273.40 × 6,561,140.40
  4. Step 4: Simplify right side
    10,387,515.60x = 102,230,922,388,185.38
  5. Step 5: Solve for x
    x = 102,230,922,388,185.38/10,387,515.60
  6. Step 6: Final answer
    x = 9,841,710.60

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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.