Home / 9,072,912.15-13,609,368.23-8,380,070.55

Finding the Fourth Proportional to 9,072,912.15, 13,609,368.23 and 8,380,070.55

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Solution

The fourth proportional to 9,072,912.15, 13,609,368.23 and 8,380,070.55 is: 12,570,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,912.15 : 13,609,368.23 = 8,380,070.55 : x
  2. Step 2: Convert to fraction form
    9,072,912.15/13,609,368.23 = 8,380,070.55/x
  3. Step 3: Cross multiply
    9,072,912.15x = 13,609,368.23 × 8,380,070.55
  4. Step 4: Simplify right side
    9,072,912.15x = 114,047,465,866,428.27
  5. Step 5: Solve for x
    x = 114,047,465,866,428.27/9,072,912.15
  6. Step 6: Final answer
    x = 12,570,105.83

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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.