Home / 12,618,927.30-18,928,390.95-8,083,964.10

Finding the Fourth Proportional to 12,618,927.30, 18,928,390.95 and 8,083,964.10

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Solution

The fourth proportional to 12,618,927.30, 18,928,390.95 and 8,083,964.10 is: 12,125,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,927.30 : 18,928,390.95 = 8,083,964.10 : x
  2. Step 2: Convert to fraction form
    12,618,927.30/18,928,390.95 = 8,083,964.10/x
  3. Step 3: Cross multiply
    12,618,927.30x = 18,928,390.95 × 8,083,964.10
  4. Step 4: Simplify right side
    12,618,927.30x = 153,016,432,910,564.88
  5. Step 5: Solve for x
    x = 153,016,432,910,564.88/12,618,927.30
  6. Step 6: Final answer
    x = 12,125,946.15

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Double scale
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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.