Home / 8,702,820.31-12,010,216.13-5,218,726.33

Finding the Fourth Proportional to 8,702,820.31, 12,010,216.13 and 5,218,726.33

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Solution

The fourth proportional to 8,702,820.31, 12,010,216.13 and 5,218,726.33 is: 7,202,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,820.31 : 12,010,216.13 = 5,218,726.33 : x
  2. Step 2: Convert to fraction form
    8,702,820.31/12,010,216.13 = 5,218,726.33/x
  3. Step 3: Cross multiply
    8,702,820.31x = 12,010,216.13 × 5,218,726.33
  4. Step 4: Simplify right side
    8,702,820.31x = 62,678,031,146,621.71
  5. Step 5: Solve for x
    x = 62,678,031,146,621.71/8,702,820.31
  6. Step 6: Final answer
    x = 7,202,036.69

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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.