Home / 8,806,868.40-13,210,302.60-8,169,139.20

Finding the Fourth Proportional to 8,806,868.40, 13,210,302.60 and 8,169,139.20

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Solution

The fourth proportional to 8,806,868.40, 13,210,302.60 and 8,169,139.20 is: 12,253,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,868.40 : 13,210,302.60 = 8,169,139.20 : x
  2. Step 2: Convert to fraction form
    8,806,868.40/13,210,302.60 = 8,169,139.20/x
  3. Step 3: Cross multiply
    8,806,868.40x = 13,210,302.60 × 8,169,139.20
  4. Step 4: Simplify right side
    8,806,868.40x = 107,916,800,813,521.92
  5. Step 5: Solve for x
    x = 107,916,800,813,521.92/8,806,868.40
  6. Step 6: Final answer
    x = 12,253,708.80

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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.