Home / 11,356,987.20-17,035,480.80-10,428,014.40

Finding the Fourth Proportional to 11,356,987.20, 17,035,480.80 and 10,428,014.40

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Solution

The fourth proportional to 11,356,987.20, 17,035,480.80 and 10,428,014.40 is: 15,642,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356,987.20 : 17,035,480.80 = 10,428,014.40 : x
  2. Step 2: Convert to fraction form
    11,356,987.20/17,035,480.80 = 10,428,014.40/x
  3. Step 3: Cross multiply
    11,356,987.20x = 17,035,480.80 × 10,428,014.40
  4. Step 4: Simplify right side
    11,356,987.20x = 177,646,239,093,323.53
  5. Step 5: Solve for x
    x = 177,646,239,093,323.53/11,356,987.20
  6. Step 6: Final answer
    x = 15,642,021.60

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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.