Home / 10,943,131.90-15,103,359.03-7,409,325.82

Finding the Fourth Proportional to 10,943,131.90, 15,103,359.03 and 7,409,325.82

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Solution

The fourth proportional to 10,943,131.90, 15,103,359.03 and 7,409,325.82 is: 10,226,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,131.90 : 15,103,359.03 = 7,409,325.82 : x
  2. Step 2: Convert to fraction form
    10,943,131.90/15,103,359.03 = 7,409,325.82/x
  3. Step 3: Cross multiply
    10,943,131.90x = 15,103,359.03 × 7,409,325.82
  4. Step 4: Simplify right side
    10,943,131.90x = 111,905,708,029,709.16
  5. Step 5: Solve for x
    x = 111,905,708,029,709.16/10,943,131.90
  6. Step 6: Final answer
    x = 10,226,113.42

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