Home / 8,713,039.20-13,069,558.80-5,349,141.60

Finding the Fourth Proportional to 8,713,039.20, 13,069,558.80 and 5,349,141.60

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Solution

The fourth proportional to 8,713,039.20, 13,069,558.80 and 5,349,141.60 is: 8,023,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,039.20 : 13,069,558.80 = 5,349,141.60 : x
  2. Step 2: Convert to fraction form
    8,713,039.20/13,069,558.80 = 5,349,141.60/x
  3. Step 3: Cross multiply
    8,713,039.20x = 13,069,558.80 × 5,349,141.60
  4. Step 4: Simplify right side
    8,713,039.20x = 69,910,920,670,726.08
  5. Step 5: Solve for x
    x = 69,910,920,670,726.08/8,713,039.20
  6. Step 6: Final answer
    x = 8,023,712.40

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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.