Home / 8,666,618.28-11,963,795.76-5,728,205.18

Finding the Fourth Proportional to 8,666,618.28, 11,963,795.76 and 5,728,205.18

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Solution

The fourth proportional to 8,666,618.28, 11,963,795.76 and 5,728,205.18 is: 7,907,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,618.28 : 11,963,795.76 = 5,728,205.18 : x
  2. Step 2: Convert to fraction form
    8,666,618.28/11,963,795.76 = 5,728,205.18/x
  3. Step 3: Cross multiply
    8,666,618.28x = 11,963,795.76 × 5,728,205.18
  4. Step 4: Simplify right side
    8,666,618.28x = 68,531,076,785,075.05
  5. Step 5: Solve for x
    x = 68,531,076,785,075.05/8,666,618.28
  6. Step 6: Final answer
    x = 7,907,476.08

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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.