Home / 18,738,033.60-28,107,050.40-15,549,387.60

Finding the Fourth Proportional to 18,738,033.60, 28,107,050.40 and 15,549,387.60

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Solution

The fourth proportional to 18,738,033.60, 28,107,050.40 and 15,549,387.60 is: 23,324,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,033.60 : 28,107,050.40 = 15,549,387.60 : x
  2. Step 2: Convert to fraction form
    18,738,033.60/28,107,050.40 = 15,549,387.60/x
  3. Step 3: Cross multiply
    18,738,033.60x = 28,107,050.40 × 15,549,387.60
  4. Step 4: Simplify right side
    18,738,033.60x = 437,047,420,962,335
  5. Step 5: Solve for x
    x = 437,047,420,962,335/18,738,033.60
  6. Step 6: Final answer
    x = 23,324,081.40

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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.