Home / 7,034,648.21-9,708,117.93-3,894,911.85

Finding the Fourth Proportional to 7,034,648.21, 9,708,117.93 and 3,894,911.85

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Solution

The fourth proportional to 7,034,648.21, 9,708,117.93 and 3,894,911.85 is: 5,375,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034,648.21 : 9,708,117.93 = 3,894,911.85 : x
  2. Step 2: Convert to fraction form
    7,034,648.21/9,708,117.93 = 3,894,911.85/x
  3. Step 3: Cross multiply
    7,034,648.21x = 9,708,117.93 × 3,894,911.85
  4. Step 4: Simplify right side
    7,034,648.21x = 37,812,263,543,074.72
  5. Step 5: Solve for x
    x = 37,812,263,543,074.72/7,034,648.21
  6. Step 6: Final answer
    x = 5,375,146.34

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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.