Home / 13,040,486.99-17,994,969.24-7,238,810.15

Finding the Fourth Proportional to 13,040,486.99, 17,994,969.24 and 7,238,810.15

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Solution

The fourth proportional to 13,040,486.99, 17,994,969.24 and 7,238,810.15 is: 9,989,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,486.99 : 17,994,969.24 = 7,238,810.15 : x
  2. Step 2: Convert to fraction form
    13,040,486.99/17,994,969.24 = 7,238,810.15/x
  3. Step 3: Cross multiply
    13,040,486.99x = 17,994,969.24 × 7,238,810.15
  4. Step 4: Simplify right side
    13,040,486.99x = 130,262,165,983,449.78
  5. Step 5: Solve for x
    x = 130,262,165,983,449.78/13,040,486.99
  6. Step 6: Final answer
    x = 9,989,056.86

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1.5x scale

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.