Home / 30,132,823.76-41,592,404.04-20,480,630.48

Finding the Fourth Proportional to 30,132,823.76, 41,592,404.04 and 20,480,630.48

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Solution

The fourth proportional to 30,132,823.76, 41,592,404.04 and 20,480,630.48 is: 28,269,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,823.76 : 41,592,404.04 = 20,480,630.48 : x
  2. Step 2: Convert to fraction form
    30,132,823.76/41,592,404.04 = 20,480,630.48/x
  3. Step 3: Cross multiply
    30,132,823.76x = 41,592,404.04 × 20,480,630.48
  4. Step 4: Simplify right side
    30,132,823.76x = 851,838,657,918,099.12
  5. Step 5: Solve for x
    x = 851,838,657,918,099.12/30,132,823.76
  6. Step 6: Final answer
    x = 28,269,460.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.