Home / 7,242,801.72-9,995,675.34-3,980,267.93

Finding the Fourth Proportional to 7,242,801.72, 9,995,675.34 and 3,980,267.93

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Solution

The fourth proportional to 7,242,801.72, 9,995,675.34 and 3,980,267.93 is: 5,493,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,801.72 : 9,995,675.34 = 3,980,267.93 : x
  2. Step 2: Convert to fraction form
    7,242,801.72/9,995,675.34 = 3,980,267.93/x
  3. Step 3: Cross multiply
    7,242,801.72x = 9,995,675.34 × 3,980,267.93
  4. Step 4: Simplify right side
    7,242,801.72x = 39,785,465,944,515.47
  5. Step 5: Solve for x
    x = 39,785,465,944,515.47/7,242,801.72
  6. Step 6: Final answer
    x = 5,493,104.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.