Home / 8,982,818.28-13,478,087.47-2,919,408.16

Finding the Fourth Proportional to 8,982,818.28, 13,478,087.47 and 2,919,408.16

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Solution

The fourth proportional to 8,982,818.28, 13,478,087.47 and 2,919,408.16 is: 4,380,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,818.28 : 13,478,087.47 = 2,919,408.16 : x
  2. Step 2: Convert to fraction form
    8,982,818.28/13,478,087.47 = 2,919,408.16/x
  3. Step 3: Cross multiply
    8,982,818.28x = 13,478,087.47 × 2,919,408.16
  4. Step 4: Simplify right side
    8,982,818.28x = 39,348,038,541,111.76
  5. Step 5: Solve for x
    x = 39,348,038,541,111.76/8,982,818.28
  6. Step 6: Final answer
    x = 4,380,366.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.