Home / 28,902,945.40-43,340,421.30-16,109,870.20

Finding the Fourth Proportional to 28,902,945.40, 43,340,421.30 and 16,109,870.20

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Solution

The fourth proportional to 28,902,945.40, 43,340,421.30 and 16,109,870.20 is: 24,157,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902,945.40 : 43,340,421.30 = 16,109,870.20 : x
  2. Step 2: Convert to fraction form
    28,902,945.40/43,340,421.30 = 16,109,870.20/x
  3. Step 3: Cross multiply
    28,902,945.40x = 43,340,421.30 × 16,109,870.20
  4. Step 4: Simplify right side
    28,902,945.40x = 698,208,561,556,315.12
  5. Step 5: Solve for x
    x = 698,208,561,556,315.12/28,902,945.40
  6. Step 6: Final answer
    x = 24,157,003.79

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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.