Home / 13,316,822.74-18,375,245.04-8,087,111.20

Finding the Fourth Proportional to 13,316,822.74, 18,375,245.04 and 8,087,111.20

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Solution

The fourth proportional to 13,316,822.74, 18,375,245.04 and 8,087,111.20 is: 11,159,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,822.74 : 18,375,245.04 = 8,087,111.20 : x
  2. Step 2: Convert to fraction form
    13,316,822.74/18,375,245.04 = 8,087,111.20/x
  3. Step 3: Cross multiply
    13,316,822.74x = 18,375,245.04 × 8,087,111.20
  4. Step 4: Simplify right side
    13,316,822.74x = 148,602,649,965,728.44
  5. Step 5: Solve for x
    x = 148,602,649,965,728.44/13,316,822.74
  6. Step 6: Final answer
    x = 11,159,016.90

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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.