Home / 13,853,621.40-20,780,432.10-13,853,621.40

Finding the Fourth Proportional to 13,853,621.40, 20,780,432.10 and 13,853,621.40

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Solution

The fourth proportional to 13,853,621.40, 20,780,432.10 and 13,853,621.40 is: 20,780,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,621.40 : 20,780,432.10 = 13,853,621.40 : x
  2. Step 2: Convert to fraction form
    13,853,621.40/20,780,432.10 = 13,853,621.40/x
  3. Step 3: Cross multiply
    13,853,621.40x = 20,780,432.10 × 13,853,621.40
  4. Step 4: Simplify right side
    13,853,621.40x = 287,884,238,841,806.94
  5. Step 5: Solve for x
    x = 287,884,238,841,806.94/13,853,621.40
  6. Step 6: Final answer
    x = 20,780,432.10

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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.