Home / 11,687,543.40-16,128,500.22-6,530,947.32

Finding the Fourth Proportional to 11,687,543.40, 16,128,500.22 and 6,530,947.32

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Solution

The fourth proportional to 11,687,543.40, 16,128,500.22 and 6,530,947.32 is: 9,012,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,543.40 : 16,128,500.22 = 6,530,947.32 : x
  2. Step 2: Convert to fraction form
    11,687,543.40/16,128,500.22 = 6,530,947.32/x
  3. Step 3: Cross multiply
    11,687,543.40x = 16,128,500.22 × 6,530,947.32
  4. Step 4: Simplify right side
    11,687,543.40x = 105,334,385,287,428.42
  5. Step 5: Solve for x
    x = 105,334,385,287,428.42/11,687,543.40
  6. Step 6: Final answer
    x = 9,012,534.26

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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.