Home / 31,926,086.80-47,889,130.20-19,161,005.20

Finding the Fourth Proportional to 31,926,086.80, 47,889,130.20 and 19,161,005.20

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Solution

The fourth proportional to 31,926,086.80, 47,889,130.20 and 19,161,005.20 is: 28,741,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926,086.80 : 47,889,130.20 = 19,161,005.20 : x
  2. Step 2: Convert to fraction form
    31,926,086.80/47,889,130.20 = 19,161,005.20/x
  3. Step 3: Cross multiply
    31,926,086.80x = 47,889,130.20 × 19,161,005.20
  4. Step 4: Simplify right side
    31,926,086.80x = 917,603,872,785,677
  5. Step 5: Solve for x
    x = 917,603,872,785,677/31,926,086.80
  6. Step 6: Final answer
    x = 28,741,507.80

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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.