Home / 20,220,216.30-30,330,324.45-15,437,247.30

Finding the Fourth Proportional to 20,220,216.30, 30,330,324.45 and 15,437,247.30

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Solution

The fourth proportional to 20,220,216.30, 30,330,324.45 and 15,437,247.30 is: 23,155,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,216.30 : 30,330,324.45 = 15,437,247.30 : x
  2. Step 2: Convert to fraction form
    20,220,216.30/30,330,324.45 = 15,437,247.30/x
  3. Step 3: Cross multiply
    20,220,216.30x = 30,330,324.45 × 15,437,247.30
  4. Step 4: Simplify right side
    20,220,216.30x = 468,216,719,223,886.50
  5. Step 5: Solve for x
    x = 468,216,719,223,886.50/20,220,216.30
  6. Step 6: Final answer
    x = 23,155,870.95

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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.