Home / 20,130,630.44-27,781,056.42-11,429,612.84

Finding the Fourth Proportional to 20,130,630.44, 27,781,056.42 and 11,429,612.84

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Solution

The fourth proportional to 20,130,630.44, 27,781,056.42 and 11,429,612.84 is: 15,773,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,630.44 : 27,781,056.42 = 11,429,612.84 : x
  2. Step 2: Convert to fraction form
    20,130,630.44/27,781,056.42 = 11,429,612.84/x
  3. Step 3: Cross multiply
    20,130,630.44x = 27,781,056.42 × 11,429,612.84
  4. Step 4: Simplify right side
    20,130,630.44x = 317,526,719,166,796.44
  5. Step 5: Solve for x
    x = 317,526,719,166,796.44/20,130,630.44
  6. Step 6: Final answer
    x = 15,773,312.22

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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.