Home / 9,945,220.80-14,916,354.78-2,756,005.20

Finding the Fourth Proportional to 9,945,220.80, 14,916,354.78 and 2,756,005.20

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Solution

The fourth proportional to 9,945,220.80, 14,916,354.78 and 2,756,005.20 is: 4,133,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945,220.80 : 14,916,354.78 = 2,756,005.20 : x
  2. Step 2: Convert to fraction form
    9,945,220.80/14,916,354.78 = 2,756,005.20/x
  3. Step 3: Cross multiply
    9,945,220.80x = 14,916,354.78 × 2,756,005.20
  4. Step 4: Simplify right side
    9,945,220.80x = 41,109,551,338,724.86
  5. Step 5: Solve for x
    x = 41,109,551,338,724.86/9,945,220.80
  6. Step 6: Final answer
    x = 4,133,598.66

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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.