Home / 17,655,768.40-26,500,565.40-9,142,214.80

Finding the Fourth Proportional to 17,655,768.40, 26,500,565.40 and 9,142,214.80

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Solution

The fourth proportional to 17,655,768.40, 26,500,565.40 and 9,142,214.80 is: 13,722,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655,768.40 : 26,500,565.40 = 9,142,214.80 : x
  2. Step 2: Convert to fraction form
    17,655,768.40/26,500,565.40 = 9,142,214.80/x
  3. Step 3: Cross multiply
    17,655,768.40x = 26,500,565.40 × 9,142,214.80
  4. Step 4: Simplify right side
    17,655,768.40x = 242,273,861,208,247.94
  5. Step 5: Solve for x
    x = 242,273,861,208,247.94/17,655,768.40
  6. Step 6: Final answer
    x = 13,722,079.70

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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.