Home / 7,073,378.40-9,761,262.04-3,854,114.40

Finding the Fourth Proportional to 7,073,378.40, 9,761,262.04 and 3,854,114.40

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Solution

The fourth proportional to 7,073,378.40, 9,761,262.04 and 3,854,114.40 is: 5,318,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073,378.40 : 9,761,262.04 = 3,854,114.40 : x
  2. Step 2: Convert to fraction form
    7,073,378.40/9,761,262.04 = 3,854,114.40/x
  3. Step 3: Cross multiply
    7,073,378.40x = 9,761,262.04 × 3,854,114.40
  4. Step 4: Simplify right side
    7,073,378.40x = 37,621,020,590,537.38
  5. Step 5: Solve for x
    x = 37,621,020,590,537.38/7,073,378.40
  6. Step 6: Final answer
    x = 5,318,677.79

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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.