Home / 25,550,706.51-38,332,100.75-8,278,878.87

Finding the Fourth Proportional to 25,550,706.51, 38,332,100.75 and 8,278,878.87

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Solution

The fourth proportional to 25,550,706.51, 38,332,100.75 and 8,278,878.87 is: 12,420,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550,706.51 : 38,332,100.75 = 8,278,878.87 : x
  2. Step 2: Convert to fraction form
    25,550,706.51/38,332,100.75 = 8,278,878.87/x
  3. Step 3: Cross multiply
    25,550,706.51x = 38,332,100.75 × 8,278,878.87
  4. Step 4: Simplify right side
    25,550,706.51x = 317,346,818,900,491.75
  5. Step 5: Solve for x
    x = 317,346,818,900,491.75/25,550,706.51
  6. Step 6: Final answer
    x = 12,420,275.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.