Home / 15,106,729.40-22,666,791.18-7,916,553.80

Finding the Fourth Proportional to 15,106,729.40, 22,666,791.18 and 7,916,553.80

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Solution

The fourth proportional to 15,106,729.40, 22,666,791.18 and 7,916,553.80 is: 11,878,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,729.40 : 22,666,791.18 = 7,916,553.80 : x
  2. Step 2: Convert to fraction form
    15,106,729.40/22,666,791.18 = 7,916,553.80/x
  3. Step 3: Cross multiply
    15,106,729.40x = 22,666,791.18 × 7,916,553.80
  4. Step 4: Simplify right side
    15,106,729.40x = 179,442,871,849,835.47
  5. Step 5: Solve for x
    x = 179,442,871,849,835.47/15,106,729.40
  6. Step 6: Final answer
    x = 11,878,340.25

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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.