Home / 13,248,051.20-19,872,076.80-8,146,217.60

Finding the Fourth Proportional to 13,248,051.20, 19,872,076.80 and 8,146,217.60

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Solution

The fourth proportional to 13,248,051.20, 19,872,076.80 and 8,146,217.60 is: 12,219,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,051.20 : 19,872,076.80 = 8,146,217.60 : x
  2. Step 2: Convert to fraction form
    13,248,051.20/19,872,076.80 = 8,146,217.60/x
  3. Step 3: Cross multiply
    13,248,051.20x = 19,872,076.80 × 8,146,217.60
  4. Step 4: Simplify right side
    13,248,051.20x = 161,882,261,776,711.69
  5. Step 5: Solve for x
    x = 161,882,261,776,711.69/13,248,051.20
  6. Step 6: Final answer
    x = 12,219,326.40

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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.