Home / 8,169,872.78-12,249,133.88-3,618,441.48

Finding the Fourth Proportional to 8,169,872.78, 12,249,133.88 and 3,618,441.48

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Solution

The fourth proportional to 8,169,872.78, 12,249,133.88 and 3,618,441.48 is: 5,425,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,872.78 : 12,249,133.88 = 3,618,441.48 : x
  2. Step 2: Convert to fraction form
    8,169,872.78/12,249,133.88 = 3,618,441.48/x
  3. Step 3: Cross multiply
    8,169,872.78x = 12,249,133.88 × 3,618,441.48
  4. Step 4: Simplify right side
    8,169,872.78x = 44,322,774,125,465.34
  5. Step 5: Solve for x
    x = 44,322,774,125,465.34/8,169,872.78
  6. Step 6: Final answer
    x = 5,425,148.63

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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.