Home / 39,479,216.80-59,218,825.20-12,555,594.40

Finding the Fourth Proportional to 39,479,216.80, 59,218,825.20 and 12,555,594.40

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Solution

The fourth proportional to 39,479,216.80, 59,218,825.20 and 12,555,594.40 is: 18,833,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479,216.80 : 59,218,825.20 = 12,555,594.40 : x
  2. Step 2: Convert to fraction form
    39,479,216.80/59,218,825.20 = 12,555,594.40/x
  3. Step 3: Cross multiply
    39,479,216.80x = 59,218,825.20 × 12,555,594.40
  4. Step 4: Simplify right side
    39,479,216.80x = 743,527,550,055,699
  5. Step 5: Solve for x
    x = 743,527,550,055,699/39,479,216.80
  6. Step 6: Final answer
    x = 18,833,391.60

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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.