Home / 9,215,456.51-12,717,335.39-5,141,075.51

Finding the Fourth Proportional to 9,215,456.51, 12,717,335.39 and 5,141,075.51

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Solution

The fourth proportional to 9,215,456.51, 12,717,335.39 and 5,141,075.51 is: 7,094,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,456.51 : 12,717,335.39 = 5,141,075.51 : x
  2. Step 2: Convert to fraction form
    9,215,456.51/12,717,335.39 = 5,141,075.51/x
  3. Step 3: Cross multiply
    9,215,456.51x = 12,717,335.39 × 5,141,075.51
  4. Step 4: Simplify right side
    9,215,456.51x = 65,380,781,436,693.24
  5. Step 5: Solve for x
    x = 65,380,781,436,693.24/9,215,456.51
  6. Step 6: Final answer
    x = 7,094,687.21

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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.