Home / 13,703,169.61-20,548,028.31-6,778,648.42

Finding the Fourth Proportional to 13,703,169.61, 20,548,028.31 and 6,778,648.42

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Solution

The fourth proportional to 13,703,169.61, 20,548,028.31 and 6,778,648.42 is: 10,164,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703,169.61 : 20,548,028.31 = 6,778,648.42 : x
  2. Step 2: Convert to fraction form
    13,703,169.61/20,548,028.31 = 6,778,648.42/x
  3. Step 3: Cross multiply
    13,703,169.61x = 20,548,028.31 × 6,778,648.42
  4. Step 4: Simplify right side
    13,703,169.61x = 139,287,859,637,696.77
  5. Step 5: Solve for x
    x = 139,287,859,637,696.77/13,703,169.61
  6. Step 6: Final answer
    x = 10,164,645.38

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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.