Home / 20,493,001.80-30,739,502.70-5,346,933.30

Finding the Fourth Proportional to 20,493,001.80, 30,739,502.70 and 5,346,933.30

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Solution

The fourth proportional to 20,493,001.80, 30,739,502.70 and 5,346,933.30 is: 8,020,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,001.80 : 30,739,502.70 = 5,346,933.30 : x
  2. Step 2: Convert to fraction form
    20,493,001.80/30,739,502.70 = 5,346,933.30/x
  3. Step 3: Cross multiply
    20,493,001.80x = 30,739,502.70 × 5,346,933.30
  4. Step 4: Simplify right side
    20,493,001.80x = 164,362,070,612,069.91
  5. Step 5: Solve for x
    x = 164,362,070,612,069.91/20,493,001.80
  6. Step 6: Final answer
    x = 8,020,399.95

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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.