Home / 13,878,213.36-20,836,423.40-7,059,400.98

Finding the Fourth Proportional to 13,878,213.36, 20,836,423.40 and 7,059,400.98

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Solution

The fourth proportional to 13,878,213.36, 20,836,423.40 and 7,059,400.98 is: 10,598,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,213.36 : 20,836,423.40 = 7,059,400.98 : x
  2. Step 2: Convert to fraction form
    13,878,213.36/20,836,423.40 = 7,059,400.98/x
  3. Step 3: Cross multiply
    13,878,213.36x = 20,836,423.40 × 7,059,400.98
  4. Step 4: Simplify right side
    13,878,213.36x = 147,092,667,734,357.94
  5. Step 5: Solve for x
    x = 147,092,667,734,357.94/13,878,213.36
  6. Step 6: Final answer
    x = 10,598,818.73

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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.