Home / 10,006,463.81-13,808,931.86-5,422,785.18

Finding the Fourth Proportional to 10,006,463.81, 13,808,931.86 and 5,422,785.18

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Solution

The fourth proportional to 10,006,463.81, 13,808,931.86 and 5,422,785.18 is: 7,483,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006,463.81 : 13,808,931.86 = 5,422,785.18 : x
  2. Step 2: Convert to fraction form
    10,006,463.81/13,808,931.86 = 5,422,785.18/x
  3. Step 3: Cross multiply
    10,006,463.81x = 13,808,931.86 × 5,422,785.18
  4. Step 4: Simplify right side
    10,006,463.81x = 74,882,871,055,594.80
  5. Step 5: Solve for x
    x = 74,882,871,055,594.80/10,006,463.81
  6. Step 6: Final answer
    x = 7,483,449.95

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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.