Home / 10,943,127.15-15,103,352.48-7,409,321.07

Finding the Fourth Proportional to 10,943,127.15, 15,103,352.48 and 7,409,321.07

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Solution

The fourth proportional to 10,943,127.15, 15,103,352.48 and 7,409,321.07 is: 10,226,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,127.15 : 15,103,352.48 = 7,409,321.07 : x
  2. Step 2: Convert to fraction form
    10,943,127.15/15,103,352.48 = 7,409,321.07/x
  3. Step 3: Cross multiply
    10,943,127.15x = 15,103,352.48 × 7,409,321.07
  4. Step 4: Simplify right side
    10,943,127.15x = 111,905,587,720,654.16
  5. Step 5: Solve for x
    x = 111,905,587,720,654.16/10,943,127.15
  6. Step 6: Final answer
    x = 10,226,106.87

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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.