Home / 20,118,438.20-30,177,657.30-7,334,694.20

Finding the Fourth Proportional to 20,118,438.20, 30,177,657.30 and 7,334,694.20

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Solution

The fourth proportional to 20,118,438.20, 30,177,657.30 and 7,334,694.20 is: 11,002,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,438.20 : 30,177,657.30 = 7,334,694.20 : x
  2. Step 2: Convert to fraction form
    20,118,438.20/30,177,657.30 = 7,334,694.20/x
  3. Step 3: Cross multiply
    20,118,438.20x = 30,177,657.30 × 7,334,694.20
  4. Step 4: Simplify right side
    20,118,438.20x = 221,343,887,967,897.66
  5. Step 5: Solve for x
    x = 221,343,887,967,897.66/20,118,438.20
  6. Step 6: Final answer
    x = 11,002,041.30

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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.