Home / 42,580,412.20-63,869,696.11-11,874,172.24

Finding the Fourth Proportional to 42,580,412.20, 63,869,696.11 and 11,874,172.24

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Solution

The fourth proportional to 42,580,412.20, 63,869,696.11 and 11,874,172.24 is: 17,811,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,412.20 : 63,869,696.11 = 11,874,172.24 : x
  2. Step 2: Convert to fraction form
    42,580,412.20/63,869,696.11 = 11,874,172.24/x
  3. Step 3: Cross multiply
    42,580,412.20x = 63,869,696.11 × 11,874,172.24
  4. Step 4: Simplify right side
    42,580,412.20x = 758,399,772,526,598
  5. Step 5: Solve for x
    x = 758,399,772,526,598/42,580,412.20
  6. Step 6: Final answer
    x = 17,811,001.19

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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.