Home / 14,984,469.04-20,678,619.40-8,108,949.28

Finding the Fourth Proportional to 14,984,469.04, 20,678,619.40 and 8,108,949.28

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Solution

The fourth proportional to 14,984,469.04, 20,678,619.40 and 8,108,949.28 is: 11,190,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,469.04 : 20,678,619.40 = 8,108,949.28 : x
  2. Step 2: Convert to fraction form
    14,984,469.04/20,678,619.40 = 8,108,949.28/x
  3. Step 3: Cross multiply
    14,984,469.04x = 20,678,619.40 × 8,108,949.28
  4. Step 4: Simplify right side
    14,984,469.04x = 167,681,875,895,024.03
  5. Step 5: Solve for x
    x = 167,681,875,895,024.03/14,984,469.04
  6. Step 6: Final answer
    x = 11,190,378.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.