Home / 28,975,280.80-43,462,921.20-28,527,383.20

Finding the Fourth Proportional to 28,975,280.80, 43,462,921.20 and 28,527,383.20

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Solution

The fourth proportional to 28,975,280.80, 43,462,921.20 and 28,527,383.20 is: 42,791,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,280.80 : 43,462,921.20 = 28,527,383.20 : x
  2. Step 2: Convert to fraction form
    28,975,280.80/43,462,921.20 = 28,527,383.20/x
  3. Step 3: Cross multiply
    28,975,280.80x = 43,462,921.20 × 28,527,383.20
  4. Step 4: Simplify right side
    28,975,280.80x = 1,239,883,408,063,804
  5. Step 5: Solve for x
    x = 1,239,883,408,063,804/28,975,280.80
  6. Step 6: Final answer
    x = 42,791,074.80

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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.