Home / 12,635,442-18,948,728.70-3,535,094.36

Finding the Fourth Proportional to 12,635,442, 18,948,728.70 and 3,535,094.36

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Solution

The fourth proportional to 12,635,442, 18,948,728.70 and 3,535,094.36 is: 5,301,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,442 : 18,948,728.70 = 3,535,094.36 : x
  2. Step 2: Convert to fraction form
    12,635,442/18,948,728.70 = 3,535,094.36/x
  3. Step 3: Cross multiply
    12,635,442x = 18,948,728.70 × 3,535,094.36
  4. Step 4: Simplify right side
    12,635,442x = 66,985,543,956,540.12
  5. Step 5: Solve for x
    x = 66,985,543,956,540.12/12,635,442
  6. Step 6: Final answer
    x = 5,301,400.93

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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.