Home / 10,943,127.40-15,103,352.82-7,409,321.32

Finding the Fourth Proportional to 10,943,127.40, 15,103,352.82 and 7,409,321.32

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Solution

The fourth proportional to 10,943,127.40, 15,103,352.82 and 7,409,321.32 is: 10,226,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,127.40 : 15,103,352.82 = 7,409,321.32 : x
  2. Step 2: Convert to fraction form
    10,943,127.40/15,103,352.82 = 7,409,321.32/x
  3. Step 3: Cross multiply
    10,943,127.40x = 15,103,352.82 × 7,409,321.32
  4. Step 4: Simplify right side
    10,943,127.40x = 111,905,594,052,708.12
  5. Step 5: Solve for x
    x = 111,905,594,052,708.12/10,943,127.40
  6. Step 6: Final answer
    x = 10,226,107.21

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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.