Home / 12,672,002.30-19,008,003.45-3,216,386.30

Finding the Fourth Proportional to 12,672,002.30, 19,008,003.45 and 3,216,386.30

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Solution

The fourth proportional to 12,672,002.30, 19,008,003.45 and 3,216,386.30 is: 4,824,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,002.30 : 19,008,003.45 = 3,216,386.30 : x
  2. Step 2: Convert to fraction form
    12,672,002.30/19,008,003.45 = 3,216,386.30/x
  3. Step 3: Cross multiply
    12,672,002.30x = 19,008,003.45 × 3,216,386.30
  4. Step 4: Simplify right side
    12,672,002.30x = 61,137,081,886,932.73
  5. Step 5: Solve for x
    x = 61,137,081,886,932.73/12,672,002.30
  6. Step 6: Final answer
    x = 4,824,579.45

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Double scale
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Similar ratio
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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.