Home / 5,555,637.47-7,667,978.88-3,380,881.31

Finding the Fourth Proportional to 5,555,637.47, 7,667,978.88 and 3,380,881.31

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Solution

The fourth proportional to 5,555,637.47, 7,667,978.88 and 3,380,881.31 is: 4,666,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,637.47 : 7,667,978.88 = 3,380,881.31 : x
  2. Step 2: Convert to fraction form
    5,555,637.47/7,667,978.88 = 3,380,881.31/x
  3. Step 3: Cross multiply
    5,555,637.47x = 7,667,978.88 × 3,380,881.31
  4. Step 4: Simplify right side
    5,555,637.47x = 25,924,526,442,526.84
  5. Step 5: Solve for x
    x = 25,924,526,442,526.84/5,555,637.47
  6. Step 6: Final answer
    x = 4,666,345.96

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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.