Home / 21,046,640.60-31,570,838.82-6,669,390.04

Finding the Fourth Proportional to 21,046,640.60, 31,570,838.82 and 6,669,390.04

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Solution

The fourth proportional to 21,046,640.60, 31,570,838.82 and 6,669,390.04 is: 10,004,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,640.60 : 31,570,838.82 = 6,669,390.04 : x
  2. Step 2: Convert to fraction form
    21,046,640.60/31,570,838.82 = 6,669,390.04/x
  3. Step 3: Cross multiply
    21,046,640.60x = 31,570,838.82 × 6,669,390.04
  4. Step 4: Simplify right side
    21,046,640.60x = 210,558,237,980,553.34
  5. Step 5: Solve for x
    x = 210,558,237,980,553.34/21,046,640.60
  6. Step 6: Final answer
    x = 10,004,363.26

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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.