Home / 13,878,211.86-20,836,421.15-7,059,399.48

Finding the Fourth Proportional to 13,878,211.86, 20,836,421.15 and 7,059,399.48

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Solution

The fourth proportional to 13,878,211.86, 20,836,421.15 and 7,059,399.48 is: 10,598,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,211.86 : 20,836,421.15 = 7,059,399.48 : x
  2. Step 2: Convert to fraction form
    13,878,211.86/20,836,421.15 = 7,059,399.48/x
  3. Step 3: Cross multiply
    13,878,211.86x = 20,836,421.15 × 7,059,399.48
  4. Step 4: Simplify right side
    13,878,211.86x = 147,092,620,596,074
  5. Step 5: Solve for x
    x = 147,092,620,596,074/13,878,211.86
  6. Step 6: Final answer
    x = 10,598,816.48

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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.