Home / 10,943,127.90-15,103,353.51-7,409,321.82

Finding the Fourth Proportional to 10,943,127.90, 15,103,353.51 and 7,409,321.82

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Solution

The fourth proportional to 10,943,127.90, 15,103,353.51 and 7,409,321.82 is: 10,226,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,127.90 : 15,103,353.51 = 7,409,321.82 : x
  2. Step 2: Convert to fraction form
    10,943,127.90/15,103,353.51 = 7,409,321.82/x
  3. Step 3: Cross multiply
    10,943,127.90x = 15,103,353.51 × 7,409,321.82
  4. Step 4: Simplify right side
    10,943,127.90x = 111,905,606,716,816.59
  5. Step 5: Solve for x
    x = 111,905,606,716,816.59/10,943,127.90
  6. Step 6: Final answer
    x = 10,226,107.90

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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.