Home / 12,776,897.68-17,631,849.36-6,975,399.04

Finding the Fourth Proportional to 12,776,897.68, 17,631,849.36 and 6,975,399.04

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Solution

The fourth proportional to 12,776,897.68, 17,631,849.36 and 6,975,399.04 is: 9,625,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,897.68 : 17,631,849.36 = 6,975,399.04 : x
  2. Step 2: Convert to fraction form
    12,776,897.68/17,631,849.36 = 6,975,399.04/x
  3. Step 3: Cross multiply
    12,776,897.68x = 17,631,849.36 × 6,975,399.04
  4. Step 4: Simplify right side
    12,776,897.68x = 122,989,185,099,168.61
  5. Step 5: Solve for x
    x = 122,989,185,099,168.61/12,776,897.68
  6. Step 6: Final answer
    x = 9,625,903.58

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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.