Home / 8,736,779.40-13,105,169.10-4,485,251.40

Finding the Fourth Proportional to 8,736,779.40, 13,105,169.10 and 4,485,251.40

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Solution

The fourth proportional to 8,736,779.40, 13,105,169.10 and 4,485,251.40 is: 6,727,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,779.40 : 13,105,169.10 = 4,485,251.40 : x
  2. Step 2: Convert to fraction form
    8,736,779.40/13,105,169.10 = 4,485,251.40/x
  3. Step 3: Cross multiply
    8,736,779.40x = 13,105,169.10 × 4,485,251.40
  4. Step 4: Simplify right side
    8,736,779.40x = 58,779,978,053,011.74
  5. Step 5: Solve for x
    x = 58,779,978,053,011.74/8,736,779.40
  6. Step 6: Final answer
    x = 6,727,877.10

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Similar ratio
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1.5x scale

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.