Home / 11,656,243.20-17,465,702.40-7,388,774.40

Finding the Fourth Proportional to 11,656,243.20, 17,465,702.40 and 7,388,774.40

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Solution

The fourth proportional to 11,656,243.20, 17,465,702.40 and 7,388,774.40 is: 11,071,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656,243.20 : 17,465,702.40 = 7,388,774.40 : x
  2. Step 2: Convert to fraction form
    11,656,243.20/17,465,702.40 = 7,388,774.40/x
  3. Step 3: Cross multiply
    11,656,243.20x = 17,465,702.40 × 7,388,774.40
  4. Step 4: Simplify right side
    11,656,243.20x = 129,050,134,771,138.56
  5. Step 5: Solve for x
    x = 129,050,134,771,138.56/11,656,243.20
  6. Step 6: Final answer
    x = 11,071,331.69

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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.