Home / 21,880,110.60-32,849,714.70-12,791,521.80

Finding the Fourth Proportional to 21,880,110.60, 32,849,714.70 and 12,791,521.80

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Solution

The fourth proportional to 21,880,110.60, 32,849,714.70 and 12,791,521.80 is: 19,204,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,110.60 : 32,849,714.70 = 12,791,521.80 : x
  2. Step 2: Convert to fraction form
    21,880,110.60/32,849,714.70 = 12,791,521.80/x
  3. Step 3: Cross multiply
    21,880,110.60x = 32,849,714.70 × 12,791,521.80
  4. Step 4: Simplify right side
    21,880,110.60x = 420,197,841,708,830.50
  5. Step 5: Solve for x
    x = 420,197,841,708,830.50/21,880,110.60
  6. Step 6: Final answer
    x = 19,204,557.48

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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.