Home / 11,445,990.19-15,795,462.85-6,289,683.89

Finding the Fourth Proportional to 11,445,990.19, 15,795,462.85 and 6,289,683.89

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Solution

The fourth proportional to 11,445,990.19, 15,795,462.85 and 6,289,683.89 is: 8,679,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445,990.19 : 15,795,462.85 = 6,289,683.89 : x
  2. Step 2: Convert to fraction form
    11,445,990.19/15,795,462.85 = 6,289,683.89/x
  3. Step 3: Cross multiply
    11,445,990.19x = 15,795,462.85 × 6,289,683.89
  4. Step 4: Simplify right side
    11,445,990.19x = 99,348,468,222,738.48
  5. Step 5: Solve for x
    x = 99,348,468,222,738.48/11,445,990.19
  6. Step 6: Final answer
    x = 8,679,761.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.