Home / 12,576,673.78-18,868,998.32-4,489,475.83

Finding the Fourth Proportional to 12,576,673.78, 18,868,998.32 and 4,489,475.83

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Solution

The fourth proportional to 12,576,673.78, 18,868,998.32 and 4,489,475.83 is: 6,735,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,673.78 : 18,868,998.32 = 4,489,475.83 : x
  2. Step 2: Convert to fraction form
    12,576,673.78/18,868,998.32 = 4,489,475.83/x
  3. Step 3: Cross multiply
    12,576,673.78x = 18,868,998.32 × 4,489,475.83
  4. Step 4: Simplify right side
    12,576,673.78x = 84,711,911,893,950.61
  5. Step 5: Solve for x
    x = 84,711,911,893,950.61/12,576,673.78
  6. Step 6: Final answer
    x = 6,735,637.21

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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.