Home / 20,199,376.30-30,303,001.05-8,684,821.30

Finding the Fourth Proportional to 20,199,376.30, 30,303,001.05 and 8,684,821.30

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Solution

The fourth proportional to 20,199,376.30, 30,303,001.05 and 8,684,821.30 is: 13,028,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,376.30 : 30,303,001.05 = 8,684,821.30 : x
  2. Step 2: Convert to fraction form
    20,199,376.30/30,303,001.05 = 8,684,821.30/x
  3. Step 3: Cross multiply
    20,199,376.30x = 30,303,001.05 × 8,684,821.30
  4. Step 4: Simplify right side
    20,199,376.30x = 263,176,148,972,962.41
  5. Step 5: Solve for x
    x = 263,176,148,972,962.41/20,199,376.30
  6. Step 6: Final answer
    x = 13,028,924.51

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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.