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Finding the Fourth Proportional to 9,999,914.43, 13,801,001.84 and 5,649,281.01

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Solution

The fourth proportional to 9,999,914.43, 13,801,001.84 and 5,649,281.01 is: 7,796,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,914.43 : 13,801,001.84 = 5,649,281.01 : x
  2. Step 2: Convert to fraction form
    9,999,914.43/13,801,001.84 = 5,649,281.01/x
  3. Step 3: Cross multiply
    9,999,914.43x = 13,801,001.84 × 5,649,281.01
  4. Step 4: Simplify right side
    9,999,914.43x = 77,965,737,606,625.45
  5. Step 5: Solve for x
    x = 77,965,737,606,625.45/9,999,914.43
  6. Step 6: Final answer
    x = 7,796,640.47

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1.5x scale

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.