Home / 31,926,091.80-47,889,137.70-19,161,010.20

Finding the Fourth Proportional to 31,926,091.80, 47,889,137.70 and 19,161,010.20

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Solution

The fourth proportional to 31,926,091.80, 47,889,137.70 and 19,161,010.20 is: 28,741,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926,091.80 : 47,889,137.70 = 19,161,010.20 : x
  2. Step 2: Convert to fraction form
    31,926,091.80/47,889,137.70 = 19,161,010.20/x
  3. Step 3: Cross multiply
    31,926,091.80x = 47,889,137.70 × 19,161,010.20
  4. Step 4: Simplify right side
    31,926,091.80x = 917,604,255,938,904.50
  5. Step 5: Solve for x
    x = 917,604,255,938,904.50/31,926,091.80
  6. Step 6: Final answer
    x = 28,741,515.30

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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.