Home / 14,078,001.60-19,427,642.16-7,639,473.60

Finding the Fourth Proportional to 14,078,001.60, 19,427,642.16 and 7,639,473.60

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Solution

The fourth proportional to 14,078,001.60, 19,427,642.16 and 7,639,473.60 is: 10,542,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,001.60 : 19,427,642.16 = 7,639,473.60 : x
  2. Step 2: Convert to fraction form
    14,078,001.60/19,427,642.16 = 7,639,473.60/x
  3. Step 3: Cross multiply
    14,078,001.60x = 19,427,642.16 × 7,639,473.60
  4. Step 4: Simplify right side
    14,078,001.60x = 148,416,959,391,566.97
  5. Step 5: Solve for x
    x = 148,416,959,391,566.97/14,078,001.60
  6. Step 6: Final answer
    x = 10,542,473.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.