Home / 8,785,678.40-13,152,856.80-6,266,254.40

Finding the Fourth Proportional to 8,785,678.40, 13,152,856.80 and 6,266,254.40

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Solution

The fourth proportional to 8,785,678.40, 13,152,856.80 and 6,266,254.40 is: 9,381,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,678.40 : 13,152,856.80 = 6,266,254.40 : x
  2. Step 2: Convert to fraction form
    8,785,678.40/13,152,856.80 = 6,266,254.40/x
  3. Step 3: Cross multiply
    8,785,678.40x = 13,152,856.80 × 6,266,254.40
  4. Step 4: Simplify right side
    8,785,678.40x = 82,419,146,795,569.92
  5. Step 5: Solve for x
    x = 82,419,146,795,569.92/8,785,678.40
  6. Step 6: Final answer
    x = 9,381,079.42

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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.