Home / 21,880,104.60-32,849,705.70-12,791,515.80

Finding the Fourth Proportional to 21,880,104.60, 32,849,705.70 and 12,791,515.80

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Solution

The fourth proportional to 21,880,104.60, 32,849,705.70 and 12,791,515.80 is: 19,204,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,104.60 : 32,849,705.70 = 12,791,515.80 : x
  2. Step 2: Convert to fraction form
    21,880,104.60/32,849,705.70 = 12,791,515.80/x
  3. Step 3: Cross multiply
    21,880,104.60x = 32,849,705.70 × 12,791,515.80
  4. Step 4: Simplify right side
    21,880,104.60x = 420,197,529,486,900.06
  5. Step 5: Solve for x
    x = 420,197,529,486,900.06/21,880,104.60
  6. Step 6: Final answer
    x = 19,204,548.48

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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.