Home / 13,197,101.70-19,795,652.55-12,984,525.30

Finding the Fourth Proportional to 13,197,101.70, 19,795,652.55 and 12,984,525.30

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Solution

The fourth proportional to 13,197,101.70, 19,795,652.55 and 12,984,525.30 is: 19,476,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,101.70 : 19,795,652.55 = 12,984,525.30 : x
  2. Step 2: Convert to fraction form
    13,197,101.70/19,795,652.55 = 12,984,525.30/x
  3. Step 3: Cross multiply
    13,197,101.70x = 19,795,652.55 × 12,984,525.30
  4. Step 4: Simplify right side
    13,197,101.70x = 257,037,151,365,484.53
  5. Step 5: Solve for x
    x = 257,037,151,365,484.53/13,197,101.70
  6. Step 6: Final answer
    x = 19,476,787.95

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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.