Home / 13,452,030.20-20,178,045.30-6,629,902.40

Finding the Fourth Proportional to 13,452,030.20, 20,178,045.30 and 6,629,902.40

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Solution

The fourth proportional to 13,452,030.20, 20,178,045.30 and 6,629,902.40 is: 9,944,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,030.20 : 20,178,045.30 = 6,629,902.40 : x
  2. Step 2: Convert to fraction form
    13,452,030.20/20,178,045.30 = 6,629,902.40/x
  3. Step 3: Cross multiply
    13,452,030.20x = 20,178,045.30 × 6,629,902.40
  4. Step 4: Simplify right side
    13,452,030.20x = 133,778,470,961,778.73
  5. Step 5: Solve for x
    x = 133,778,470,961,778.73/13,452,030.20
  6. Step 6: Final answer
    x = 9,944,853.60

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Double scale
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Similar ratio
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1.5x scale

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.