Home / 21,551,724.70-32,327,587.05-19,213,384.30

Finding the Fourth Proportional to 21,551,724.70, 32,327,587.05 and 19,213,384.30

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Solution

The fourth proportional to 21,551,724.70, 32,327,587.05 and 19,213,384.30 is: 28,820,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,724.70 : 32,327,587.05 = 19,213,384.30 : x
  2. Step 2: Convert to fraction form
    21,551,724.70/32,327,587.05 = 19,213,384.30/x
  3. Step 3: Cross multiply
    21,551,724.70x = 32,327,587.05 × 19,213,384.30
  4. Step 4: Simplify right side
    21,551,724.70x = 621,122,353,483,353.38
  5. Step 5: Solve for x
    x = 621,122,353,483,353.38/21,551,724.70
  6. Step 6: Final answer
    x = 28,820,076.45

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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.