Home / 9,178,234.85-12,665,989.40-5,048,689.20

Finding the Fourth Proportional to 9,178,234.85, 12,665,989.40 and 5,048,689.20

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Solution

The fourth proportional to 9,178,234.85, 12,665,989.40 and 5,048,689.20 is: 6,967,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,234.85 : 12,665,989.40 = 5,048,689.20 : x
  2. Step 2: Convert to fraction form
    9,178,234.85/12,665,989.40 = 5,048,689.20/x
  3. Step 3: Cross multiply
    9,178,234.85x = 12,665,989.40 × 5,048,689.20
  4. Step 4: Simplify right side
    9,178,234.85x = 63,946,643,865,851.03
  5. Step 5: Solve for x
    x = 63,946,643,865,851.03/9,178,234.85
  6. Step 6: Final answer
    x = 6,967,205.02

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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.