Home / 20,710,028.20-31,041,714.30-9,932,492.20

Finding the Fourth Proportional to 20,710,028.20, 31,041,714.30 and 9,932,492.20

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Solution

The fourth proportional to 20,710,028.20, 31,041,714.30 and 9,932,492.20 is: 14,887,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,028.20 : 31,041,714.30 = 9,932,492.20 : x
  2. Step 2: Convert to fraction form
    20,710,028.20/31,041,714.30 = 9,932,492.20/x
  3. Step 3: Cross multiply
    20,710,028.20x = 31,041,714.30 × 9,932,492.20
  4. Step 4: Simplify right side
    20,710,028.20x = 308,321,585,159,378.44
  5. Step 5: Solve for x
    x = 308,321,585,159,378.44/20,710,028.20
  6. Step 6: Final answer
    x = 14,887,550.23

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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.