Home / 20,808,001.20-31,212,001.80-17,448,769.20

Finding the Fourth Proportional to 20,808,001.20, 31,212,001.80 and 17,448,769.20

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Solution

The fourth proportional to 20,808,001.20, 31,212,001.80 and 17,448,769.20 is: 26,173,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,001.20 : 31,212,001.80 = 17,448,769.20 : x
  2. Step 2: Convert to fraction form
    20,808,001.20/31,212,001.80 = 17,448,769.20/x
  3. Step 3: Cross multiply
    20,808,001.20x = 31,212,001.80 × 17,448,769.20
  4. Step 4: Simplify right side
    20,808,001.20x = 544,611,015,678,184.56
  5. Step 5: Solve for x
    x = 544,611,015,678,184.56/20,808,001.20
  6. Step 6: Final answer
    x = 26,173,153.80

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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.