Home / 13,774,559.10-20,638,219.05-8,979,780.30

Finding the Fourth Proportional to 13,774,559.10, 20,638,219.05 and 8,979,780.30

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Solution

The fourth proportional to 13,774,559.10, 20,638,219.05 and 8,979,780.30 is: 13,454,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,559.10 : 20,638,219.05 = 8,979,780.30 : x
  2. Step 2: Convert to fraction form
    13,774,559.10/20,638,219.05 = 8,979,780.30/x
  3. Step 3: Cross multiply
    13,774,559.10x = 20,638,219.05 × 8,979,780.30
  4. Step 4: Simplify right side
    13,774,559.10x = 185,326,672,852,274.75
  5. Step 5: Solve for x
    x = 185,326,672,852,274.75/13,774,559.10
  6. Step 6: Final answer
    x = 13,454,272.58

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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.