Home / 12,224,837.12-18,312,058.56-7,160,794.88

Finding the Fourth Proportional to 12,224,837.12, 18,312,058.56 and 7,160,794.88

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Solution

The fourth proportional to 12,224,837.12, 18,312,058.56 and 7,160,794.88 is: 10,726,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,837.12 : 18,312,058.56 = 7,160,794.88 : x
  2. Step 2: Convert to fraction form
    12,224,837.12/18,312,058.56 = 7,160,794.88/x
  3. Step 3: Cross multiply
    12,224,837.12x = 18,312,058.56 × 7,160,794.88
  4. Step 4: Simplify right side
    12,224,837.12x = 131,128,895,178,708.16
  5. Step 5: Solve for x
    x = 131,128,895,178,708.16/12,224,837.12
  6. Step 6: Final answer
    x = 10,726,432.91

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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.