Home / 21,570,706.96-29,768,220.24-11,781,612.95

Finding the Fourth Proportional to 21,570,706.96, 29,768,220.24 and 11,781,612.95

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Solution

The fourth proportional to 21,570,706.96, 29,768,220.24 and 11,781,612.95 is: 16,258,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570,706.96 : 29,768,220.24 = 11,781,612.95 : x
  2. Step 2: Convert to fraction form
    21,570,706.96/29,768,220.24 = 11,781,612.95/x
  3. Step 3: Cross multiply
    21,570,706.96x = 29,768,220.24 × 11,781,612.95
  4. Step 4: Simplify right side
    21,570,706.96x = 350,717,648,929,195
  5. Step 5: Solve for x
    x = 350,717,648,929,195/21,570,706.96
  6. Step 6: Final answer
    x = 16,258,977.96

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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.