Home / 21,019,384.80-31,529,077.20-5,873,316.30

Finding the Fourth Proportional to 21,019,384.80, 31,529,077.20 and 5,873,316.30

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Solution

The fourth proportional to 21,019,384.80, 31,529,077.20 and 5,873,316.30 is: 8,809,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,384.80 : 31,529,077.20 = 5,873,316.30 : x
  2. Step 2: Convert to fraction form
    21,019,384.80/31,529,077.20 = 5,873,316.30/x
  3. Step 3: Cross multiply
    21,019,384.80x = 31,529,077.20 × 5,873,316.30
  4. Step 4: Simplify right side
    21,019,384.80x = 185,180,243,042,718.34
  5. Step 5: Solve for x
    x = 185,180,243,042,718.34/21,019,384.80
  6. Step 6: Final answer
    x = 8,809,974.45

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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.