Home / 12,480,904.40-18,719,974.20-3,506,363.60

Finding the Fourth Proportional to 12,480,904.40, 18,719,974.20 and 3,506,363.60

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Solution

The fourth proportional to 12,480,904.40, 18,719,974.20 and 3,506,363.60 is: 5,259,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,904.40 : 18,719,974.20 = 3,506,363.60 : x
  2. Step 2: Convert to fraction form
    12,480,904.40/18,719,974.20 = 3,506,363.60/x
  3. Step 3: Cross multiply
    12,480,904.40x = 18,719,974.20 × 3,506,363.60
  4. Step 4: Simplify right side
    12,480,904.40x = 65,639,036,127,819.12
  5. Step 5: Solve for x
    x = 65,639,036,127,819.12/12,480,904.40
  6. Step 6: Final answer
    x = 5,259,157.03

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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.