Home / 21,141,109.80-31,711,664.70-14,976,394.20

Finding the Fourth Proportional to 21,141,109.80, 31,711,664.70 and 14,976,394.20

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Solution

The fourth proportional to 21,141,109.80, 31,711,664.70 and 14,976,394.20 is: 22,464,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,109.80 : 31,711,664.70 = 14,976,394.20 : x
  2. Step 2: Convert to fraction form
    21,141,109.80/31,711,664.70 = 14,976,394.20/x
  3. Step 3: Cross multiply
    21,141,109.80x = 31,711,664.70 × 14,976,394.20
  4. Step 4: Simplify right side
    21,141,109.80x = 474,926,391,285,424.69
  5. Step 5: Solve for x
    x = 474,926,391,285,424.69/21,141,109.80
  6. Step 6: Final answer
    x = 22,464,591.30

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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.