Home / 12,838,598.92-17,706,935.78-11,286,542.09

Finding the Fourth Proportional to 12,838,598.92, 17,706,935.78 and 11,286,542.09

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Solution

The fourth proportional to 12,838,598.92, 17,706,935.78 and 11,286,542.09 is: 15,566,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,598.92 : 17,706,935.78 = 11,286,542.09 : x
  2. Step 2: Convert to fraction form
    12,838,598.92/17,706,935.78 = 11,286,542.09/x
  3. Step 3: Cross multiply
    12,838,598.92x = 17,706,935.78 × 11,286,542.09
  4. Step 4: Simplify right side
    12,838,598.92x = 199,850,075,996,056.12
  5. Step 5: Solve for x
    x = 199,850,075,996,056.12/12,838,598.92
  6. Step 6: Final answer
    x = 15,566,346.24

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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.