Home / 15,970,976.80-23,956,465.20-7,452,174.40

Finding the Fourth Proportional to 15,970,976.80, 23,956,465.20 and 7,452,174.40

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Solution

The fourth proportional to 15,970,976.80, 23,956,465.20 and 7,452,174.40 is: 11,178,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970,976.80 : 23,956,465.20 = 7,452,174.40 : x
  2. Step 2: Convert to fraction form
    15,970,976.80/23,956,465.20 = 7,452,174.40/x
  3. Step 3: Cross multiply
    15,970,976.80x = 23,956,465.20 × 7,452,174.40
  4. Step 4: Simplify right side
    15,970,976.80x = 178,527,756,677,930.88
  5. Step 5: Solve for x
    x = 178,527,756,677,930.88/15,970,976.80
  6. Step 6: Final answer
    x = 11,178,261.60

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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.