Home / 10,881,032.40-15,015,824.55-5,986,149.45

Finding the Fourth Proportional to 10,881,032.40, 15,015,824.55 and 5,986,149.45

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Solution

The fourth proportional to 10,881,032.40, 15,015,824.55 and 5,986,149.45 is: 8,260,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,032.40 : 15,015,824.55 = 5,986,149.45 : x
  2. Step 2: Convert to fraction form
    10,881,032.40/15,015,824.55 = 5,986,149.45/x
  3. Step 3: Cross multiply
    10,881,032.40x = 15,015,824.55 × 5,986,149.45
  4. Step 4: Simplify right side
    10,881,032.40x = 89,886,969,871,279
  5. Step 5: Solve for x
    x = 89,886,969,871,279/10,881,032.40
  6. Step 6: Final answer
    x = 8,260,886.15

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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.