Home / 14,039,378.76-19,374,470.94-8,238,257.17

Finding the Fourth Proportional to 14,039,378.76, 19,374,470.94 and 8,238,257.17

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Solution

The fourth proportional to 14,039,378.76, 19,374,470.94 and 8,238,257.17 is: 11,368,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,378.76 : 19,374,470.94 = 8,238,257.17 : x
  2. Step 2: Convert to fraction form
    14,039,378.76/19,374,470.94 = 8,238,257.17/x
  3. Step 3: Cross multiply
    14,039,378.76x = 19,374,470.94 × 8,238,257.17
  4. Step 4: Simplify right side
    14,039,378.76x = 159,611,874,136,411.66
  5. Step 5: Solve for x
    x = 159,611,874,136,411.66/14,039,378.76
  6. Step 6: Final answer
    x = 11,368,870.15

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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.