Home / 21,303,727.80-31,955,591.70-14,784,718.20

Finding the Fourth Proportional to 21,303,727.80, 31,955,591.70 and 14,784,718.20

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Solution

The fourth proportional to 21,303,727.80, 31,955,591.70 and 14,784,718.20 is: 22,177,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,727.80 : 31,955,591.70 = 14,784,718.20 : x
  2. Step 2: Convert to fraction form
    21,303,727.80/31,955,591.70 = 14,784,718.20/x
  3. Step 3: Cross multiply
    21,303,727.80x = 31,955,591.70 × 14,784,718.20
  4. Step 4: Simplify right side
    21,303,727.80x = 472,454,418,198,758.88
  5. Step 5: Solve for x
    x = 472,454,418,198,758.88/21,303,727.80
  6. Step 6: Final answer
    x = 22,177,077.30

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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.