Home / 12,316,165.20-18,474,247.80-7,277,317.20

Finding the Fourth Proportional to 12,316,165.20, 18,474,247.80 and 7,277,317.20

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Solution

The fourth proportional to 12,316,165.20, 18,474,247.80 and 7,277,317.20 is: 10,915,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,165.20 : 18,474,247.80 = 7,277,317.20 : x
  2. Step 2: Convert to fraction form
    12,316,165.20/18,474,247.80 = 7,277,317.20/x
  3. Step 3: Cross multiply
    12,316,165.20x = 18,474,247.80 × 7,277,317.20
  4. Step 4: Simplify right side
    12,316,165.20x = 134,442,961,272,002.17
  5. Step 5: Solve for x
    x = 134,442,961,272,002.17/12,316,165.20
  6. Step 6: Final answer
    x = 10,915,975.80

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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.