Home / 10,878,254.28-15,011,673.69-5,983,474.89

Finding the Fourth Proportional to 10,878,254.28, 15,011,673.69 and 5,983,474.89

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Solution

The fourth proportional to 10,878,254.28, 15,011,673.69 and 5,983,474.89 is: 8,257,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,254.28 : 15,011,673.69 = 5,983,474.89 : x
  2. Step 2: Convert to fraction form
    10,878,254.28/15,011,673.69 = 5,983,474.89/x
  3. Step 3: Cross multiply
    10,878,254.28x = 15,011,673.69 × 5,983,474.89
  4. Step 4: Simplify right side
    10,878,254.28x = 89,821,972,580,988.64
  5. Step 5: Solve for x
    x = 89,821,972,580,988.64/10,878,254.28
  6. Step 6: Final answer
    x = 8,257,020.87

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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.