Home / 36,351,430.80-54,432,667.80-28,730,173.20

Finding the Fourth Proportional to 36,351,430.80, 54,432,667.80 and 28,730,173.20

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Solution

The fourth proportional to 36,351,430.80, 54,432,667.80 and 28,730,173.20 is: 43,020,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351,430.80 : 54,432,667.80 = 28,730,173.20 : x
  2. Step 2: Convert to fraction form
    36,351,430.80/54,432,667.80 = 28,730,173.20/x
  3. Step 3: Cross multiply
    36,351,430.80x = 54,432,667.80 × 28,730,173.20
  4. Step 4: Simplify right side
    36,351,430.80x = 1,563,859,973,632,062.75
  5. Step 5: Solve for x
    x = 1,563,859,973,632,062.75/36,351,430.80
  6. Step 6: Final answer
    x = 43,020,589.26

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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.