Home / 18,453,639.60-27,680,459.40-17,109,946.80

Finding the Fourth Proportional to 18,453,639.60, 27,680,459.40 and 17,109,946.80

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Solution

The fourth proportional to 18,453,639.60, 27,680,459.40 and 17,109,946.80 is: 25,664,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,639.60 : 27,680,459.40 = 17,109,946.80 : x
  2. Step 2: Convert to fraction form
    18,453,639.60/27,680,459.40 = 17,109,946.80/x
  3. Step 3: Cross multiply
    18,453,639.60x = 27,680,459.40 × 17,109,946.80
  4. Step 4: Simplify right side
    18,453,639.60x = 473,611,187,733,559.94
  5. Step 5: Solve for x
    x = 473,611,187,733,559.94/18,453,639.60
  6. Step 6: Final answer
    x = 25,664,920.20

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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.