Home / 53,310,157.24-79,965,236.10-12,920,641.24

Finding the Fourth Proportional to 53,310,157.24, 79,965,236.10 and 12,920,641.24

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Solution

The fourth proportional to 53,310,157.24, 79,965,236.10 and 12,920,641.24 is: 19,380,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,157.24 : 79,965,236.10 = 12,920,641.24 : x
  2. Step 2: Convert to fraction form
    53,310,157.24/79,965,236.10 = 12,920,641.24/x
  3. Step 3: Cross multiply
    53,310,157.24x = 79,965,236.10 × 12,920,641.24
  4. Step 4: Simplify right side
    53,310,157.24x = 1,033,202,127,319,996.75
  5. Step 5: Solve for x
    x = 1,033,202,127,319,996.75/53,310,157.24
  6. Step 6: Final answer
    x = 19,380,961.92

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Double scale
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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.