Home / 28,113,245.60-42,169,868.40-16,766,506.40

Finding the Fourth Proportional to 28,113,245.60, 42,169,868.40 and 16,766,506.40

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Solution

The fourth proportional to 28,113,245.60, 42,169,868.40 and 16,766,506.40 is: 25,149,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113,245.60 : 42,169,868.40 = 16,766,506.40 : x
  2. Step 2: Convert to fraction form
    28,113,245.60/42,169,868.40 = 16,766,506.40/x
  3. Step 3: Cross multiply
    28,113,245.60x = 42,169,868.40 × 16,766,506.40
  4. Step 4: Simplify right side
    28,113,245.60x = 707,041,368,415,757.75
  5. Step 5: Solve for x
    x = 707,041,368,415,757.75/28,113,245.60
  6. Step 6: Final answer
    x = 25,149,759.60

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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.