Home / 13,612,937.76-18,785,980.08-7,501,584.96

Finding the Fourth Proportional to 13,612,937.76, 18,785,980.08 and 7,501,584.96

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Solution

The fourth proportional to 13,612,937.76, 18,785,980.08 and 7,501,584.96 is: 10,352,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,937.76 : 18,785,980.08 = 7,501,584.96 : x
  2. Step 2: Convert to fraction form
    13,612,937.76/18,785,980.08 = 7,501,584.96/x
  3. Step 3: Cross multiply
    13,612,937.76x = 18,785,980.08 × 7,501,584.96
  4. Step 4: Simplify right side
    13,612,937.76x = 140,924,625,626,987.59
  5. Step 5: Solve for x
    x = 140,924,625,626,987.59/13,612,937.76
  6. Step 6: Final answer
    x = 10,352,256.66

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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.