Home / 30,213,483.48-45,324,728.28-10,781,194.68

Finding the Fourth Proportional to 30,213,483.48, 45,324,728.28 and 10,781,194.68

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Solution

The fourth proportional to 30,213,483.48, 45,324,728.28 and 10,781,194.68 is: 16,173,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,483.48 : 45,324,728.28 = 10,781,194.68 : x
  2. Step 2: Convert to fraction form
    30,213,483.48/45,324,728.28 = 10,781,194.68/x
  3. Step 3: Cross multiply
    30,213,483.48x = 45,324,728.28 × 10,781,194.68
  4. Step 4: Simplify right side
    30,213,483.48x = 488,654,719,404,781.56
  5. Step 5: Solve for x
    x = 488,654,719,404,781.56/30,213,483.48
  6. Step 6: Final answer
    x = 16,173,398.86

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1.5x scale

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.