Home / 8,808,806.20-13,209,272.70-3,415,664.20

Finding the Fourth Proportional to 8,808,806.20, 13,209,272.70 and 3,415,664.20

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Solution

The fourth proportional to 8,808,806.20, 13,209,272.70 and 3,415,664.20 is: 5,121,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,806.20 : 13,209,272.70 = 3,415,664.20 : x
  2. Step 2: Convert to fraction form
    8,808,806.20/13,209,272.70 = 3,415,664.20/x
  3. Step 3: Cross multiply
    8,808,806.20x = 13,209,272.70 × 3,415,664.20
  4. Step 4: Simplify right side
    8,808,806.20x = 45,118,439,869,427.34
  5. Step 5: Solve for x
    x = 45,118,439,869,427.34/8,808,806.20
  6. Step 6: Final answer
    x = 5,121,969.86

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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.