Home / 10,379,451.78-15,569,243.28-6,807,905.82

Finding the Fourth Proportional to 10,379,451.78, 15,569,243.28 and 6,807,905.82

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Solution

The fourth proportional to 10,379,451.78, 15,569,243.28 and 6,807,905.82 is: 10,211,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,451.78 : 15,569,243.28 = 6,807,905.82 : x
  2. Step 2: Convert to fraction form
    10,379,451.78/15,569,243.28 = 6,807,905.82/x
  3. Step 3: Cross multiply
    10,379,451.78x = 15,569,243.28 × 6,807,905.82
  4. Step 4: Simplify right side
    10,379,451.78x = 105,993,941,938,907.89
  5. Step 5: Solve for x
    x = 105,993,941,938,907.89/10,379,451.78
  6. Step 6: Final answer
    x = 10,211,901.76

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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.