Home / 6,428,145.12-8,871,096.16-3,527,639.81

Finding the Fourth Proportional to 6,428,145.12, 8,871,096.16 and 3,527,639.81

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Solution

The fourth proportional to 6,428,145.12, 8,871,096.16 and 3,527,639.81 is: 4,868,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,145.12 : 8,871,096.16 = 3,527,639.81 : x
  2. Step 2: Convert to fraction form
    6,428,145.12/8,871,096.16 = 3,527,639.81/x
  3. Step 3: Cross multiply
    6,428,145.12x = 8,871,096.16 × 3,527,639.81
  4. Step 4: Simplify right side
    6,428,145.12x = 31,294,031,945,831.84
  5. Step 5: Solve for x
    x = 31,294,031,945,831.84/6,428,145.12
  6. Step 6: Final answer
    x = 4,868,283.37

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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.