Home / 12,221,386.20-18,332,079.30-5,502,922.20

Finding the Fourth Proportional to 12,221,386.20, 18,332,079.30 and 5,502,922.20

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Solution

The fourth proportional to 12,221,386.20, 18,332,079.30 and 5,502,922.20 is: 8,254,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221,386.20 : 18,332,079.30 = 5,502,922.20 : x
  2. Step 2: Convert to fraction form
    12,221,386.20/18,332,079.30 = 5,502,922.20/x
  3. Step 3: Cross multiply
    12,221,386.20x = 18,332,079.30 × 5,502,922.20
  4. Step 4: Simplify right side
    12,221,386.20x = 100,880,006,152,130.47
  5. Step 5: Solve for x
    x = 100,880,006,152,130.47/12,221,386.20
  6. Step 6: Final answer
    x = 8,254,383.30

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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.