Home / 42,038,049.60-63,057,074.40-11,745,912.60

Finding the Fourth Proportional to 42,038,049.60, 63,057,074.40 and 11,745,912.60

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Solution

The fourth proportional to 42,038,049.60, 63,057,074.40 and 11,745,912.60 is: 17,618,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038,049.60 : 63,057,074.40 = 11,745,912.60 : x
  2. Step 2: Convert to fraction form
    42,038,049.60/63,057,074.40 = 11,745,912.60/x
  3. Step 3: Cross multiply
    42,038,049.60x = 63,057,074.40 × 11,745,912.60
  4. Step 4: Simplify right side
    42,038,049.60x = 740,662,884,714,097.38
  5. Step 5: Solve for x
    x = 740,662,884,714,097.38/42,038,049.60
  6. Step 6: Final answer
    x = 17,618,868.90

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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.