Home / 13,878,212.86-20,836,422.65-7,059,400.48

Finding the Fourth Proportional to 13,878,212.86, 20,836,422.65 and 7,059,400.48

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Solution

The fourth proportional to 13,878,212.86, 20,836,422.65 and 7,059,400.48 is: 10,598,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,212.86 : 20,836,422.65 = 7,059,400.48 : x
  2. Step 2: Convert to fraction form
    13,878,212.86/20,836,422.65 = 7,059,400.48/x
  3. Step 3: Cross multiply
    13,878,212.86x = 20,836,422.65 × 7,059,400.48
  4. Step 4: Simplify right side
    13,878,212.86x = 147,092,652,056,892.88
  5. Step 5: Solve for x
    x = 147,092,652,056,892.88/13,878,212.86
  6. Step 6: Final answer
    x = 10,598,817.98

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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.