Home / 39,635,542.80-59,453,314.20-12,711,920.40

Finding the Fourth Proportional to 39,635,542.80, 59,453,314.20 and 12,711,920.40

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Solution

The fourth proportional to 39,635,542.80, 59,453,314.20 and 12,711,920.40 is: 19,067,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635,542.80 : 59,453,314.20 = 12,711,920.40 : x
  2. Step 2: Convert to fraction form
    39,635,542.80/59,453,314.20 = 12,711,920.40/x
  3. Step 3: Cross multiply
    39,635,542.80x = 59,453,314.20 × 12,711,920.40
  4. Step 4: Simplify right side
    39,635,542.80x = 755,765,797,626,589.75
  5. Step 5: Solve for x
    x = 755,765,797,626,589.75/39,635,542.80
  6. Step 6: Final answer
    x = 19,067,880.60

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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.