Home / 8,419,678.16-12,626,382.44-3,026,856.88

Finding the Fourth Proportional to 8,419,678.16, 12,626,382.44 and 3,026,856.88

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Solution

The fourth proportional to 8,419,678.16, 12,626,382.44 and 3,026,856.88 is: 4,539,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,678.16 : 12,626,382.44 = 3,026,856.88 : x
  2. Step 2: Convert to fraction form
    8,419,678.16/12,626,382.44 = 3,026,856.88/x
  3. Step 3: Cross multiply
    8,419,678.16x = 12,626,382.44 × 3,026,856.88
  4. Step 4: Simplify right side
    8,419,678.16x = 38,218,252,558,025.19
  5. Step 5: Solve for x
    x = 38,218,252,558,025.19/8,419,678.16
  6. Step 6: Final answer
    x = 4,539,158.37

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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.