Home / 13,894,626.74-19,168,297.30-8,386,240.78

Finding the Fourth Proportional to 13,894,626.74, 19,168,297.30 and 8,386,240.78

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Solution

The fourth proportional to 13,894,626.74, 19,168,297.30 and 8,386,240.78 is: 11,569,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,626.74 : 19,168,297.30 = 8,386,240.78 : x
  2. Step 2: Convert to fraction form
    13,894,626.74/19,168,297.30 = 8,386,240.78/x
  3. Step 3: Cross multiply
    13,894,626.74x = 19,168,297.30 × 8,386,240.78
  4. Step 4: Simplify right side
    13,894,626.74x = 160,749,956,454,986.19
  5. Step 5: Solve for x
    x = 160,749,956,454,986.19/13,894,626.74
  6. Step 6: Final answer
    x = 11,569,217.32

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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.