Home / 21,650,244.82-29,877,335.34-12,948,416.04

Finding the Fourth Proportional to 21,650,244.82, 29,877,335.34 and 12,948,416.04

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Solution

The fourth proportional to 21,650,244.82, 29,877,335.34 and 12,948,416.04 is: 17,868,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,244.82 : 29,877,335.34 = 12,948,416.04 : x
  2. Step 2: Convert to fraction form
    21,650,244.82/29,877,335.34 = 12,948,416.04/x
  3. Step 3: Cross multiply
    21,650,244.82x = 29,877,335.34 × 12,948,416.04
  4. Step 4: Simplify right side
    21,650,244.82x = 386,864,168,148,914.81
  5. Step 5: Solve for x
    x = 386,864,168,148,914.81/21,650,244.82
  6. Step 6: Final answer
    x = 17,868,812.63

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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.