Home / 18,223,225.20-27,366,330.60-9,720,169.20

Finding the Fourth Proportional to 18,223,225.20, 27,366,330.60 and 9,720,169.20

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Solution

The fourth proportional to 18,223,225.20, 27,366,330.60 and 9,720,169.20 is: 14,597,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223,225.20 : 27,366,330.60 = 9,720,169.20 : x
  2. Step 2: Convert to fraction form
    18,223,225.20/27,366,330.60 = 9,720,169.20/x
  3. Step 3: Cross multiply
    18,223,225.20x = 27,366,330.60 × 9,720,169.20
  4. Step 4: Simplify right side
    18,223,225.20x = 266,005,363,815,137.50
  5. Step 5: Solve for x
    x = 266,005,363,815,137.50/18,223,225.20
  6. Step 6: Final answer
    x = 14,597,051.89

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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.