Home / 47,781,010.80-71,689,230.90-19,047,767.40

Finding the Fourth Proportional to 47,781,010.80, 71,689,230.90 and 19,047,767.40

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Solution

The fourth proportional to 47,781,010.80, 71,689,230.90 and 19,047,767.40 is: 28,578,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781,010.80 : 71,689,230.90 = 19,047,767.40 : x
  2. Step 2: Convert to fraction form
    47,781,010.80/71,689,230.90 = 19,047,767.40/x
  3. Step 3: Cross multiply
    47,781,010.80x = 71,689,230.90 × 19,047,767.40
  4. Step 4: Simplify right side
    47,781,010.80x = 1,365,519,795,268,092.75
  5. Step 5: Solve for x
    x = 1,365,519,795,268,092.75/47,781,010.80
  6. Step 6: Final answer
    x = 28,578,713.02

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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.