Home / 21,889,332.20-32,833,998.30-19,369,908.20

Finding the Fourth Proportional to 21,889,332.20, 32,833,998.30 and 19,369,908.20

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Solution

The fourth proportional to 21,889,332.20, 32,833,998.30 and 19,369,908.20 is: 29,054,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,332.20 : 32,833,998.30 = 19,369,908.20 : x
  2. Step 2: Convert to fraction form
    21,889,332.20/32,833,998.30 = 19,369,908.20/x
  3. Step 3: Cross multiply
    21,889,332.20x = 32,833,998.30 × 19,369,908.20
  4. Step 4: Simplify right side
    21,889,332.20x = 635,991,532,909,956
  5. Step 5: Solve for x
    x = 635,991,532,909,956/21,889,332.20
  6. Step 6: Final answer
    x = 29,054,862.30

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Similar ratio
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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.