Home / 14,213,147.04-21,329,168.42-6,640,703.28

Finding the Fourth Proportional to 14,213,147.04, 21,329,168.42 and 6,640,703.28

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Solution

The fourth proportional to 14,213,147.04, 21,329,168.42 and 6,640,703.28 is: 9,965,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,147.04 : 21,329,168.42 = 6,640,703.28 : x
  2. Step 2: Convert to fraction form
    14,213,147.04/21,329,168.42 = 6,640,703.28/x
  3. Step 3: Cross multiply
    14,213,147.04x = 21,329,168.42 × 6,640,703.28
  4. Step 4: Simplify right side
    14,213,147.04x = 141,640,678,686,366.44
  5. Step 5: Solve for x
    x = 141,640,678,686,366.44/14,213,147.04
  6. Step 6: Final answer
    x = 9,965,469.17

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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.