Home / 21,731,460.30-32,597,190.45-13,122,116.10

Finding the Fourth Proportional to 21,731,460.30, 32,597,190.45 and 13,122,116.10

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Solution

The fourth proportional to 21,731,460.30, 32,597,190.45 and 13,122,116.10 is: 19,683,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,460.30 : 32,597,190.45 = 13,122,116.10 : x
  2. Step 2: Convert to fraction form
    21,731,460.30/32,597,190.45 = 13,122,116.10/x
  3. Step 3: Cross multiply
    21,731,460.30x = 32,597,190.45 × 13,122,116.10
  4. Step 4: Simplify right side
    21,731,460.30x = 427,744,117,618,711.25
  5. Step 5: Solve for x
    x = 427,744,117,618,711.25/21,731,460.30
  6. Step 6: Final answer
    x = 19,683,174.15

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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.