Home / 10,115,407.68-13,959,262.08-5,531,732.16

Finding the Fourth Proportional to 10,115,407.68, 13,959,262.08 and 5,531,732.16

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Solution

The fourth proportional to 10,115,407.68, 13,959,262.08 and 5,531,732.16 is: 7,633,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,407.68 : 13,959,262.08 = 5,531,732.16 : x
  2. Step 2: Convert to fraction form
    10,115,407.68/13,959,262.08 = 5,531,732.16/x
  3. Step 3: Cross multiply
    10,115,407.68x = 13,959,262.08 × 5,531,732.16
  4. Step 4: Simplify right side
    10,115,407.68x = 77,218,898,977,804.50
  5. Step 5: Solve for x
    x = 77,218,898,977,804.50/10,115,407.68
  6. Step 6: Final answer
    x = 7,633,790.10

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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.