Home / 13,213,488.12-19,816,951.65-3,628,392

Finding the Fourth Proportional to 13,213,488.12, 19,816,951.65 and 3,628,392

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Solution

The fourth proportional to 13,213,488.12, 19,816,951.65 and 3,628,392 is: 5,441,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,488.12 : 19,816,951.65 = 3,628,392 : x
  2. Step 2: Convert to fraction form
    13,213,488.12/19,816,951.65 = 3,628,392/x
  3. Step 3: Cross multiply
    13,213,488.12x = 19,816,951.65 × 3,628,392
  4. Step 4: Simplify right side
    13,213,488.12x = 71,903,668,831,246.80
  5. Step 5: Solve for x
    x = 71,903,668,831,246.80/13,213,488.12
  6. Step 6: Final answer
    x = 5,441,687.17

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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.