Home / 9,840,892.30-13,580,437.21-5,489,978.58

Finding the Fourth Proportional to 9,840,892.30, 13,580,437.21 and 5,489,978.58

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Solution

The fourth proportional to 9,840,892.30, 13,580,437.21 and 5,489,978.58 is: 7,576,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840,892.30 : 13,580,437.21 = 5,489,978.58 : x
  2. Step 2: Convert to fraction form
    9,840,892.30/13,580,437.21 = 5,489,978.58/x
  3. Step 3: Cross multiply
    9,840,892.30x = 13,580,437.21 × 5,489,978.58
  4. Step 4: Simplify right side
    9,840,892.30x = 74,556,309,376,210.02
  5. Step 5: Solve for x
    x = 74,556,309,376,210.02/9,840,892.30
  6. Step 6: Final answer
    x = 7,576,173.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.