Home / 10,878,420.06-15,011,906.31-5,983,641.90

Finding the Fourth Proportional to 10,878,420.06, 15,011,906.31 and 5,983,641.90

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Solution

The fourth proportional to 10,878,420.06, 15,011,906.31 and 5,983,641.90 is: 8,257,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,420.06 : 15,011,906.31 = 5,983,641.90 : x
  2. Step 2: Convert to fraction form
    10,878,420.06/15,011,906.31 = 5,983,641.90/x
  3. Step 3: Cross multiply
    10,878,420.06x = 15,011,906.31 × 5,983,641.90
  4. Step 4: Simplify right side
    10,878,420.06x = 89,825,871,595,390.39
  5. Step 5: Solve for x
    x = 89,825,871,595,390.39/10,878,420.06
  6. Step 6: Final answer
    x = 8,257,253.45

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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.