Home / 28,608,069.60-42,912,104.40-12,452,263.20

Finding the Fourth Proportional to 28,608,069.60, 42,912,104.40 and 12,452,263.20

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Solution

The fourth proportional to 28,608,069.60, 42,912,104.40 and 12,452,263.20 is: 18,678,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,069.60 : 42,912,104.40 = 12,452,263.20 : x
  2. Step 2: Convert to fraction form
    28,608,069.60/42,912,104.40 = 12,452,263.20/x
  3. Step 3: Cross multiply
    28,608,069.60x = 42,912,104.40 × 12,452,263.20
  4. Step 4: Simplify right side
    28,608,069.60x = 534,352,818,454,678
  5. Step 5: Solve for x
    x = 534,352,818,454,678/28,608,069.60
  6. Step 6: Final answer
    x = 18,678,394.80

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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.