Home / 9,121,806.30-13,682,709.45-8,980,088.70

Finding the Fourth Proportional to 9,121,806.30, 13,682,709.45 and 8,980,088.70

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Solution

The fourth proportional to 9,121,806.30, 13,682,709.45 and 8,980,088.70 is: 13,470,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,806.30 : 13,682,709.45 = 8,980,088.70 : x
  2. Step 2: Convert to fraction form
    9,121,806.30/13,682,709.45 = 8,980,088.70/x
  3. Step 3: Cross multiply
    9,121,806.30x = 13,682,709.45 × 8,980,088.70
  4. Step 4: Simplify right side
    9,121,806.30x = 122,871,944,517,328.20
  5. Step 5: Solve for x
    x = 122,871,944,517,328.20/9,121,806.30
  6. Step 6: Final answer
    x = 13,470,133.05

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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.