Home / 20,493,042.40-30,739,563.60-5,346,973.90

Finding the Fourth Proportional to 20,493,042.40, 30,739,563.60 and 5,346,973.90

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Solution

The fourth proportional to 20,493,042.40, 30,739,563.60 and 5,346,973.90 is: 8,020,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,042.40 : 30,739,563.60 = 5,346,973.90 : x
  2. Step 2: Convert to fraction form
    20,493,042.40/30,739,563.60 = 5,346,973.90/x
  3. Step 3: Cross multiply
    20,493,042.40x = 30,739,563.60 × 5,346,973.90
  4. Step 4: Simplify right side
    20,493,042.40x = 164,363,644,266,590.06
  5. Step 5: Solve for x
    x = 164,363,644,266,590.06/20,493,042.40
  6. Step 6: Final answer
    x = 8,020,460.85

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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.