Home / 13,697,075.80-18,892,863.11-8,808,478.34

Finding the Fourth Proportional to 13,697,075.80, 18,892,863.11 and 8,808,478.34

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Solution

The fourth proportional to 13,697,075.80, 18,892,863.11 and 8,808,478.34 is: 12,149,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,075.80 : 18,892,863.11 = 8,808,478.34 : x
  2. Step 2: Convert to fraction form
    13,697,075.80/18,892,863.11 = 8,808,478.34/x
  3. Step 3: Cross multiply
    13,697,075.80x = 18,892,863.11 × 8,808,478.34
  4. Step 4: Simplify right side
    13,697,075.80x = 166,417,375,440,977.66
  5. Step 5: Solve for x
    x = 166,417,375,440,977.66/13,697,075.80
  6. Step 6: Final answer
    x = 12,149,847.01

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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.