Home / 21,399,145.80-32,098,718.70-14,220,342.60

Finding the Fourth Proportional to 21,399,145.80, 32,098,718.70 and 14,220,342.60

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Solution

The fourth proportional to 21,399,145.80, 32,098,718.70 and 14,220,342.60 is: 21,330,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,145.80 : 32,098,718.70 = 14,220,342.60 : x
  2. Step 2: Convert to fraction form
    21,399,145.80/32,098,718.70 = 14,220,342.60/x
  3. Step 3: Cross multiply
    21,399,145.80x = 32,098,718.70 × 14,220,342.60
  4. Step 4: Simplify right side
    21,399,145.80x = 456,454,776,935,026.62
  5. Step 5: Solve for x
    x = 456,454,776,935,026.62/21,399,145.80
  6. Step 6: Final answer
    x = 21,330,513.90

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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.