Home / 30,327,093.60-45,490,640.40-12,140,001.60

Finding the Fourth Proportional to 30,327,093.60, 45,490,640.40 and 12,140,001.60

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Solution

The fourth proportional to 30,327,093.60, 45,490,640.40 and 12,140,001.60 is: 18,210,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327,093.60 : 45,490,640.40 = 12,140,001.60 : x
  2. Step 2: Convert to fraction form
    30,327,093.60/45,490,640.40 = 12,140,001.60/x
  3. Step 3: Cross multiply
    30,327,093.60x = 45,490,640.40 × 12,140,001.60
  4. Step 4: Simplify right side
    30,327,093.60x = 552,256,447,241,024.62
  5. Step 5: Solve for x
    x = 552,256,447,241,024.62/30,327,093.60
  6. Step 6: Final answer
    x = 18,210,002.40

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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.