Home / 18,723,035.70-28,084,553.55-15,699,726.90

Finding the Fourth Proportional to 18,723,035.70, 28,084,553.55 and 15,699,726.90

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Solution

The fourth proportional to 18,723,035.70, 28,084,553.55 and 15,699,726.90 is: 23,549,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,035.70 : 28,084,553.55 = 15,699,726.90 : x
  2. Step 2: Convert to fraction form
    18,723,035.70/28,084,553.55 = 15,699,726.90/x
  3. Step 3: Cross multiply
    18,723,035.70x = 28,084,553.55 × 15,699,726.90
  4. Step 4: Simplify right side
    18,723,035.70x = 440,919,820,843,425.50
  5. Step 5: Solve for x
    x = 440,919,820,843,425.50/18,723,035.70
  6. Step 6: Final answer
    x = 23,549,590.35

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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.