Home / 20,912,936.57-31,369,429.35-6,536,079.71

Finding the Fourth Proportional to 20,912,936.57, 31,369,429.35 and 6,536,079.71

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Solution

The fourth proportional to 20,912,936.57, 31,369,429.35 and 6,536,079.71 is: 9,804,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,936.57 : 31,369,429.35 = 6,536,079.71 : x
  2. Step 2: Convert to fraction form
    20,912,936.57/31,369,429.35 = 6,536,079.71/x
  3. Step 3: Cross multiply
    20,912,936.57x = 31,369,429.35 × 6,536,079.71
  4. Step 4: Simplify right side
    20,912,936.57x = 205,033,090,531,966.34
  5. Step 5: Solve for x
    x = 205,033,090,531,966.34/20,912,936.57
  6. Step 6: Final answer
    x = 9,804,127.22

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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.