Home / 18,684,100.80-28,026,151.20-5,908,521.60

Finding the Fourth Proportional to 18,684,100.80, 28,026,151.20 and 5,908,521.60

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Solution

The fourth proportional to 18,684,100.80, 28,026,151.20 and 5,908,521.60 is: 8,862,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,100.80 : 28,026,151.20 = 5,908,521.60 : x
  2. Step 2: Convert to fraction form
    18,684,100.80/28,026,151.20 = 5,908,521.60/x
  3. Step 3: Cross multiply
    18,684,100.80x = 28,026,151.20 × 5,908,521.60
  4. Step 4: Simplify right side
    18,684,100.80x = 165,593,119,730,065.91
  5. Step 5: Solve for x
    x = 165,593,119,730,065.91/18,684,100.80
  6. Step 6: Final answer
    x = 8,862,782.40

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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.