Home / 28,206,483.20-42,280,233.60-15,407,302.40

Finding the Fourth Proportional to 28,206,483.20, 42,280,233.60 and 15,407,302.40

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Solution

The fourth proportional to 28,206,483.20, 42,280,233.60 and 15,407,302.40 is: 23,094,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206,483.20 : 42,280,233.60 = 15,407,302.40 : x
  2. Step 2: Convert to fraction form
    28,206,483.20/42,280,233.60 = 15,407,302.40/x
  3. Step 3: Cross multiply
    28,206,483.20x = 42,280,233.60 × 15,407,302.40
  4. Step 4: Simplify right side
    28,206,483.20x = 651,424,344,617,840.62
  5. Step 5: Solve for x
    x = 651,424,344,617,840.62/28,206,483.20
  6. Step 6: Final answer
    x = 23,094,844.54

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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.