Home / 9,290,516.02-12,820,912.11-5,216,222.50

Finding the Fourth Proportional to 9,290,516.02, 12,820,912.11 and 5,216,222.50

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Solution

The fourth proportional to 9,290,516.02, 12,820,912.11 and 5,216,222.50 is: 7,198,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,516.02 : 12,820,912.11 = 5,216,222.50 : x
  2. Step 2: Convert to fraction form
    9,290,516.02/12,820,912.11 = 5,216,222.50/x
  3. Step 3: Cross multiply
    9,290,516.02x = 12,820,912.11 × 5,216,222.50
  4. Step 4: Simplify right side
    9,290,516.02x = 66,876,730,218,704.47
  5. Step 5: Solve for x
    x = 66,876,730,218,704.47/9,290,516.02
  6. Step 6: Final answer
    x = 7,198,387.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.