Home / 10,008,589.68-13,811,874-5,424,914.16

Finding the Fourth Proportional to 10,008,589.68, 13,811,874 and 5,424,914.16

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Solution

The fourth proportional to 10,008,589.68, 13,811,874 and 5,424,914.16 is: 7,486,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,589.68 : 13,811,874 = 5,424,914.16 : x
  2. Step 2: Convert to fraction form
    10,008,589.68/13,811,874 = 5,424,914.16/x
  3. Step 3: Cross multiply
    10,008,589.68x = 13,811,874 × 5,424,914.16
  4. Step 4: Simplify right side
    10,008,589.68x = 74,928,230,838,735.84
  5. Step 5: Solve for x
    x = 74,928,230,838,735.84/10,008,589.68
  6. Step 6: Final answer
    x = 7,486,392.51

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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.