Home / 12,827,045.16-17,703,083.46-7,864,608.92

Finding the Fourth Proportional to 12,827,045.16, 17,703,083.46 and 7,864,608.92

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Solution

The fourth proportional to 12,827,045.16, 17,703,083.46 and 7,864,608.92 is: 10,854,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,045.16 : 17,703,083.46 = 7,864,608.92 : x
  2. Step 2: Convert to fraction form
    12,827,045.16/17,703,083.46 = 7,864,608.92/x
  3. Step 3: Cross multiply
    12,827,045.16x = 17,703,083.46 × 7,864,608.92
  4. Step 4: Simplify right side
    12,827,045.16x = 139,227,828,002,505.05
  5. Step 5: Solve for x
    x = 139,227,828,002,505.05/12,827,045.16
  6. Step 6: Final answer
    x = 10,854,240.10

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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.