Home / 15,957,705.30-23,939,920.80-5,174,165.40

Finding the Fourth Proportional to 15,957,705.30, 23,939,920.80 and 5,174,165.40

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Solution

The fourth proportional to 15,957,705.30, 23,939,920.80 and 5,174,165.40 is: 7,762,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957,705.30 : 23,939,920.80 = 5,174,165.40 : x
  2. Step 2: Convert to fraction form
    15,957,705.30/23,939,920.80 = 5,174,165.40/x
  3. Step 3: Cross multiply
    15,957,705.30x = 23,939,920.80 × 5,174,165.40
  4. Step 4: Simplify right side
    15,957,705.30x = 123,869,109,882,100.33
  5. Step 5: Solve for x
    x = 123,869,109,882,100.33/15,957,705.30
  6. Step 6: Final answer
    x = 7,762,338.48

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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.