Home / 18,692,799.20-28,028,139.60-9,734,847.20

Finding the Fourth Proportional to 18,692,799.20, 28,028,139.60 and 9,734,847.20

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Solution

The fourth proportional to 18,692,799.20, 28,028,139.60 and 9,734,847.20 is: 14,596,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692,799.20 : 28,028,139.60 = 9,734,847.20 : x
  2. Step 2: Convert to fraction form
    18,692,799.20/28,028,139.60 = 9,734,847.20/x
  3. Step 3: Cross multiply
    18,692,799.20x = 28,028,139.60 × 9,734,847.20
  4. Step 4: Simplify right side
    18,692,799.20x = 272,849,656,306,269.12
  5. Step 5: Solve for x
    x = 272,849,656,306,269.12/18,692,799.20
  6. Step 6: Final answer
    x = 14,596,511.38

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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.