Home / 13,193,713.56-18,207,312.02-7,392,536.90

Finding the Fourth Proportional to 13,193,713.56, 18,207,312.02 and 7,392,536.90

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Solution

The fourth proportional to 13,193,713.56, 18,207,312.02 and 7,392,536.90 is: 10,201,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,713.56 : 18,207,312.02 = 7,392,536.90 : x
  2. Step 2: Convert to fraction form
    13,193,713.56/18,207,312.02 = 7,392,536.90/x
  3. Step 3: Cross multiply
    13,193,713.56x = 18,207,312.02 × 7,392,536.90
  4. Step 4: Simplify right side
    13,193,713.56x = 134,598,225,957,663.55
  5. Step 5: Solve for x
    x = 134,598,225,957,663.55/13,193,713.56
  6. Step 6: Final answer
    x = 10,201,693.81

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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.