Home / 13,842,957.86-20,768,872.80-9,692,682.74

Finding the Fourth Proportional to 13,842,957.86, 20,768,872.80 and 9,692,682.74

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Solution

The fourth proportional to 13,842,957.86, 20,768,872.80 and 9,692,682.74 is: 14,542,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,957.86 : 20,768,872.80 = 9,692,682.74 : x
  2. Step 2: Convert to fraction form
    13,842,957.86/20,768,872.80 = 9,692,682.74/x
  3. Step 3: Cross multiply
    13,842,957.86x = 20,768,872.80 × 9,692,682.74
  4. Step 4: Simplify right side
    13,842,957.86x = 201,306,094,917,815.47
  5. Step 5: Solve for x
    x = 201,306,094,917,815.47/13,842,957.86
  6. Step 6: Final answer
    x = 14,542,130.15

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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.