Home / 28,987,233.20-43,564,830.60-28,483,348.40

Finding the Fourth Proportional to 28,987,233.20, 43,564,830.60 and 28,483,348.40

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Solution

The fourth proportional to 28,987,233.20, 43,564,830.60 and 28,483,348.40 is: 42,807,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987,233.20 : 43,564,830.60 = 28,483,348.40 : x
  2. Step 2: Convert to fraction form
    28,987,233.20/43,564,830.60 = 28,483,348.40/x
  3. Step 3: Cross multiply
    28,987,233.20x = 43,564,830.60 × 28,483,348.40
  4. Step 4: Simplify right side
    28,987,233.20x = 1,240,872,247,966,781
  5. Step 5: Solve for x
    x = 1,240,872,247,966,781/28,987,233.20
  6. Step 6: Final answer
    x = 42,807,543.56

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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.