Home / 8,133,785.40-12,197,178.90-4,088,710.20

Finding the Fourth Proportional to 8,133,785.40, 12,197,178.90 and 4,088,710.20

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Solution

The fourth proportional to 8,133,785.40, 12,197,178.90 and 4,088,710.20 is: 6,131,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,785.40 : 12,197,178.90 = 4,088,710.20 : x
  2. Step 2: Convert to fraction form
    8,133,785.40/12,197,178.90 = 4,088,710.20/x
  3. Step 3: Cross multiply
    8,133,785.40x = 12,197,178.90 × 4,088,710.20
  4. Step 4: Simplify right side
    8,133,785.40x = 49,870,729,779,654.78
  5. Step 5: Solve for x
    x = 49,870,729,779,654.78/8,133,785.40
  6. Step 6: Final answer
    x = 6,131,306.31

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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.