Home / 43,816,811.20-65,731,437.60-13,521,515.20

Finding the Fourth Proportional to 43,816,811.20, 65,731,437.60 and 13,521,515.20

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Solution

The fourth proportional to 43,816,811.20, 65,731,437.60 and 13,521,515.20 is: 20,284,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816,811.20 : 65,731,437.60 = 13,521,515.20 : x
  2. Step 2: Convert to fraction form
    43,816,811.20/65,731,437.60 = 13,521,515.20/x
  3. Step 3: Cross multiply
    43,816,811.20x = 65,731,437.60 × 13,521,515.20
  4. Step 4: Simplify right side
    43,816,811.20x = 888,788,632,626,251.50
  5. Step 5: Solve for x
    x = 888,788,632,626,251.50/43,816,811.20
  6. Step 6: Final answer
    x = 20,284,192.49

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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.