Home / 18,715,538.20-28,017,320.10-16,476,050.20

Finding the Fourth Proportional to 18,715,538.20, 28,017,320.10 and 16,476,050.20

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Solution

The fourth proportional to 18,715,538.20, 28,017,320.10 and 16,476,050.20 is: 24,664,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,538.20 : 28,017,320.10 = 16,476,050.20 : x
  2. Step 2: Convert to fraction form
    18,715,538.20/28,017,320.10 = 16,476,050.20/x
  3. Step 3: Cross multiply
    18,715,538.20x = 28,017,320.10 × 16,476,050.20
  4. Step 4: Simplify right side
    18,715,538.20x = 461,614,772,437,069
  5. Step 5: Solve for x
    x = 461,614,772,437,069/18,715,538.20
  6. Step 6: Final answer
    x = 24,664,787.49

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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.