Home / 27,988,605.20-42,001,570.20-15,858,045.20

Finding the Fourth Proportional to 27,988,605.20, 42,001,570.20 and 15,858,045.20

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Solution

The fourth proportional to 27,988,605.20, 42,001,570.20 and 15,858,045.20 is: 23,797,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988,605.20 : 42,001,570.20 = 15,858,045.20 : x
  2. Step 2: Convert to fraction form
    27,988,605.20/42,001,570.20 = 15,858,045.20/x
  3. Step 3: Cross multiply
    27,988,605.20x = 42,001,570.20 × 15,858,045.20
  4. Step 4: Simplify right side
    27,988,605.20x = 666,062,798,702,573
  5. Step 5: Solve for x
    x = 666,062,798,702,573/27,988,605.20
  6. Step 6: Final answer
    x = 23,797,641.72

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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.