Home / 8,229,428-11,353,986.24-5,331,040.64

Finding the Fourth Proportional to 8,229,428, 11,353,986.24 and 5,331,040.64

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Solution

The fourth proportional to 8,229,428, 11,353,986.24 and 5,331,040.64 is: 7,355,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,428 : 11,353,986.24 = 5,331,040.64 : x
  2. Step 2: Convert to fraction form
    8,229,428/11,353,986.24 = 5,331,040.64/x
  3. Step 3: Cross multiply
    8,229,428x = 11,353,986.24 × 5,331,040.64
  4. Step 4: Simplify right side
    8,229,428x = 60,528,562,071,440.79
  5. Step 5: Solve for x
    x = 60,528,562,071,440.79/8,229,428
  6. Step 6: Final answer
    x = 7,355,135.99

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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.