Home / 15,754,890.80-23,632,336.20-13,487,409.20

Finding the Fourth Proportional to 15,754,890.80, 23,632,336.20 and 13,487,409.20

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Solution

The fourth proportional to 15,754,890.80, 23,632,336.20 and 13,487,409.20 is: 20,231,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754,890.80 : 23,632,336.20 = 13,487,409.20 : x
  2. Step 2: Convert to fraction form
    15,754,890.80/23,632,336.20 = 13,487,409.20/x
  3. Step 3: Cross multiply
    15,754,890.80x = 23,632,336.20 × 13,487,409.20
  4. Step 4: Simplify right side
    15,754,890.80x = 318,738,988,681,373
  5. Step 5: Solve for x
    x = 318,738,988,681,373/15,754,890.80
  6. Step 6: Final answer
    x = 20,231,113.80

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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.