Home / 42,561,546.53-63,851,287.86-13,805,440.20

Finding the Fourth Proportional to 42,561,546.53, 63,851,287.86 and 13,805,440.20

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Solution

The fourth proportional to 42,561,546.53, 63,851,287.86 and 13,805,440.20 is: 20,711,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,561,546.53 : 63,851,287.86 = 13,805,440.20 : x
  2. Step 2: Convert to fraction form
    42,561,546.53/63,851,287.86 = 13,805,440.20/x
  3. Step 3: Cross multiply
    42,561,546.53x = 63,851,287.86 × 13,805,440.20
  4. Step 4: Simplify right side
    42,561,546.53x = 881,495,136,244,215.88
  5. Step 5: Solve for x
    x = 881,495,136,244,215.88/42,561,546.53
  6. Step 6: Final answer
    x = 20,711,069.22

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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.