Home / 13,674,345.93-18,876,407.81-8,520,253.97

Finding the Fourth Proportional to 13,674,345.93, 18,876,407.81 and 8,520,253.97

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Solution

The fourth proportional to 13,674,345.93, 18,876,407.81 and 8,520,253.97 is: 11,761,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,345.93 : 18,876,407.81 = 8,520,253.97 : x
  2. Step 2: Convert to fraction form
    13,674,345.93/18,876,407.81 = 8,520,253.97/x
  3. Step 3: Cross multiply
    13,674,345.93x = 18,876,407.81 × 8,520,253.97
  4. Step 4: Simplify right side
    13,674,345.93x = 160,831,788,445,508.19
  5. Step 5: Solve for x
    x = 160,831,788,445,508.19/13,674,345.93
  6. Step 6: Final answer
    x = 11,761,570.85

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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.