Home / 30,097,449.12-45,134,620.92-12,814,692.60

Finding the Fourth Proportional to 30,097,449.12, 45,134,620.92 and 12,814,692.60

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Solution

The fourth proportional to 30,097,449.12, 45,134,620.92 and 12,814,692.60 is: 19,217,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097,449.12 : 45,134,620.92 = 12,814,692.60 : x
  2. Step 2: Convert to fraction form
    30,097,449.12/45,134,620.92 = 12,814,692.60/x
  3. Step 3: Cross multiply
    30,097,449.12x = 45,134,620.92 × 12,814,692.60
  4. Step 4: Simplify right side
    30,097,449.12x = 578,386,292,707,329.25
  5. Step 5: Solve for x
    x = 578,386,292,707,329.25/30,097,449.12
  6. Step 6: Final answer
    x = 19,217,120.04

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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.