Home / 8,315,070.88-11,468,474.89-7,155,471.64

Finding the Fourth Proportional to 8,315,070.88, 11,468,474.89 and 7,155,471.64

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Solution

The fourth proportional to 8,315,070.88, 11,468,474.89 and 7,155,471.64 is: 9,869,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,070.88 : 11,468,474.89 = 7,155,471.64 : x
  2. Step 2: Convert to fraction form
    8,315,070.88/11,468,474.89 = 7,155,471.64/x
  3. Step 3: Cross multiply
    8,315,070.88x = 11,468,474.89 × 7,155,471.64
  4. Step 4: Simplify right side
    8,315,070.88x = 82,062,346,829,447.12
  5. Step 5: Solve for x
    x = 82,062,346,829,447.12/8,315,070.88
  6. Step 6: Final answer
    x = 9,869,109.72

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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.