Home / 20,154,845.40-30,232,268.10-14,486,141.40

Finding the Fourth Proportional to 20,154,845.40, 30,232,268.10 and 14,486,141.40

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Solution

The fourth proportional to 20,154,845.40, 30,232,268.10 and 14,486,141.40 is: 21,729,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,845.40 : 30,232,268.10 = 14,486,141.40 : x
  2. Step 2: Convert to fraction form
    20,154,845.40/30,232,268.10 = 14,486,141.40/x
  3. Step 3: Cross multiply
    20,154,845.40x = 30,232,268.10 × 14,486,141.40
  4. Step 4: Simplify right side
    20,154,845.40x = 437,948,910,539,309.38
  5. Step 5: Solve for x
    x = 437,948,910,539,309.38/20,154,845.40
  6. Step 6: Final answer
    x = 21,729,212.10

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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.