Home / 14,003,248.30-21,004,872.45-5,480,752.30

Finding the Fourth Proportional to 14,003,248.30, 21,004,872.45 and 5,480,752.30

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Solution

The fourth proportional to 14,003,248.30, 21,004,872.45 and 5,480,752.30 is: 8,221,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,248.30 : 21,004,872.45 = 5,480,752.30 : x
  2. Step 2: Convert to fraction form
    14,003,248.30/21,004,872.45 = 5,480,752.30/x
  3. Step 3: Cross multiply
    14,003,248.30x = 21,004,872.45 × 5,480,752.30
  4. Step 4: Simplify right side
    14,003,248.30x = 115,122,502,991,544.12
  5. Step 5: Solve for x
    x = 115,122,502,991,544.12/14,003,248.30
  6. Step 6: Final answer
    x = 8,221,128.45

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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.