Home / 13,560,779.20-20,341,168.80-8,175,510.40

Finding the Fourth Proportional to 13,560,779.20, 20,341,168.80 and 8,175,510.40

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Solution

The fourth proportional to 13,560,779.20, 20,341,168.80 and 8,175,510.40 is: 12,263,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,779.20 : 20,341,168.80 = 8,175,510.40 : x
  2. Step 2: Convert to fraction form
    13,560,779.20/20,341,168.80 = 8,175,510.40/x
  3. Step 3: Cross multiply
    13,560,779.20x = 20,341,168.80 × 8,175,510.40
  4. Step 4: Simplify right side
    13,560,779.20x = 166,299,437,072,555.53
  5. Step 5: Solve for x
    x = 166,299,437,072,555.53/13,560,779.20
  6. Step 6: Final answer
    x = 12,263,265.60

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Similar ratio
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1.5x scale

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.