Home / 8,750,412.80-13,125,619.20-5,373,670.40

Finding the Fourth Proportional to 8,750,412.80, 13,125,619.20 and 5,373,670.40

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Solution

The fourth proportional to 8,750,412.80, 13,125,619.20 and 5,373,670.40 is: 8,060,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,412.80 : 13,125,619.20 = 5,373,670.40 : x
  2. Step 2: Convert to fraction form
    8,750,412.80/13,125,619.20 = 5,373,670.40/x
  3. Step 3: Cross multiply
    8,750,412.80x = 13,125,619.20 × 5,373,670.40
  4. Step 4: Simplify right side
    8,750,412.80x = 70,532,751,376,711.69
  5. Step 5: Solve for x
    x = 70,532,751,376,711.69/8,750,412.80
  6. Step 6: Final answer
    x = 8,060,505.60

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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.