Home / 13,785,193.80-20,677,790.70-12,462,496.20

Finding the Fourth Proportional to 13,785,193.80, 20,677,790.70 and 12,462,496.20

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Solution

The fourth proportional to 13,785,193.80, 20,677,790.70 and 12,462,496.20 is: 18,693,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,193.80 : 20,677,790.70 = 12,462,496.20 : x
  2. Step 2: Convert to fraction form
    13,785,193.80/20,677,790.70 = 12,462,496.20/x
  3. Step 3: Cross multiply
    13,785,193.80x = 20,677,790.70 × 12,462,496.20
  4. Step 4: Simplify right side
    13,785,193.80x = 257,696,888,023,145.31
  5. Step 5: Solve for x
    x = 257,696,888,023,145.31/13,785,193.80
  6. Step 6: Final answer
    x = 18,693,744.30

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1.5x scale

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.