Home / 7,182,686.54-9,912,317.75-3,919,711.53

Finding the Fourth Proportional to 7,182,686.54, 9,912,317.75 and 3,919,711.53

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Solution

The fourth proportional to 7,182,686.54, 9,912,317.75 and 3,919,711.53 is: 5,409,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,686.54 : 9,912,317.75 = 3,919,711.53 : x
  2. Step 2: Convert to fraction form
    7,182,686.54/9,912,317.75 = 3,919,711.53/x
  3. Step 3: Cross multiply
    7,182,686.54x = 9,912,317.75 × 3,919,711.53
  4. Step 4: Simplify right side
    7,182,686.54x = 38,853,426,173,698.66
  5. Step 5: Solve for x
    x = 38,853,426,173,698.66/7,182,686.54
  6. Step 6: Final answer
    x = 5,409,316.69

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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.