Home / 10,878,422.06-15,011,909.06-5,983,643.90

Finding the Fourth Proportional to 10,878,422.06, 15,011,909.06 and 5,983,643.90

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Solution

The fourth proportional to 10,878,422.06, 15,011,909.06 and 5,983,643.90 is: 8,257,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,422.06 : 15,011,909.06 = 5,983,643.90 : x
  2. Step 2: Convert to fraction form
    10,878,422.06/15,011,909.06 = 5,983,643.90/x
  3. Step 3: Cross multiply
    10,878,422.06x = 15,011,909.06 × 5,983,643.90
  4. Step 4: Simplify right side
    10,878,422.06x = 89,825,918,074,223.75
  5. Step 5: Solve for x
    x = 89,825,918,074,223.75/10,878,422.06
  6. Step 6: Final answer
    x = 8,257,256.21

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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.