Home / 12,014,024.97-18,015,649.18-7,158,619.50

Finding the Fourth Proportional to 12,014,024.97, 18,015,649.18 and 7,158,619.50

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Solution

The fourth proportional to 12,014,024.97, 18,015,649.18 and 7,158,619.50 is: 10,734,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,024.97 : 18,015,649.18 = 7,158,619.50 : x
  2. Step 2: Convert to fraction form
    12,014,024.97/18,015,649.18 = 7,158,619.50/x
  3. Step 3: Cross multiply
    12,014,024.97x = 18,015,649.18 × 7,158,619.50
  4. Step 4: Simplify right side
    12,014,024.97x = 128,967,177,525,107.02
  5. Step 5: Solve for x
    x = 128,967,177,525,107.02/12,014,024.97
  6. Step 6: Final answer
    x = 10,734,718.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.