Home / 13,774,560.10-20,638,220.55-8,979,781.30

Finding the Fourth Proportional to 13,774,560.10, 20,638,220.55 and 8,979,781.30

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Solution

The fourth proportional to 13,774,560.10, 20,638,220.55 and 8,979,781.30 is: 13,454,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,560.10 : 20,638,220.55 = 8,979,781.30 : x
  2. Step 2: Convert to fraction form
    13,774,560.10/20,638,220.55 = 8,979,781.30/x
  3. Step 3: Cross multiply
    13,774,560.10x = 20,638,220.55 × 8,979,781.30
  4. Step 4: Simplify right side
    13,774,560.10x = 185,326,706,960,165.75
  5. Step 5: Solve for x
    x = 185,326,706,960,165.75/13,774,560.10
  6. Step 6: Final answer
    x = 13,454,274.08

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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.