Home / 21,734,639.28-29,994,477.20-11,944,905.57

Finding the Fourth Proportional to 21,734,639.28, 29,994,477.20 and 11,944,905.57

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Solution

The fourth proportional to 21,734,639.28, 29,994,477.20 and 11,944,905.57 is: 16,484,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734,639.28 : 29,994,477.20 = 11,944,905.57 : x
  2. Step 2: Convert to fraction form
    21,734,639.28/29,994,477.20 = 11,944,905.57/x
  3. Step 3: Cross multiply
    21,734,639.28x = 29,994,477.20 × 11,944,905.57
  4. Step 4: Simplify right side
    21,734,639.28x = 358,281,197,715,793.50
  5. Step 5: Solve for x
    x = 358,281,197,715,793.50/21,734,639.28
  6. Step 6: Final answer
    x = 16,484,340.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.