Home / 19,240,342.20-28,876,842.90-7,888,937.40

Finding the Fourth Proportional to 19,240,342.20, 28,876,842.90 and 7,888,937.40

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Solution

The fourth proportional to 19,240,342.20, 28,876,842.90 and 7,888,937.40 is: 11,840,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,342.20 : 28,876,842.90 = 7,888,937.40 : x
  2. Step 2: Convert to fraction form
    19,240,342.20/28,876,842.90 = 7,888,937.40/x
  3. Step 3: Cross multiply
    19,240,342.20x = 28,876,842.90 × 7,888,937.40
  4. Step 4: Simplify right side
    19,240,342.20x = 227,807,605,947,734.47
  5. Step 5: Solve for x
    x = 227,807,605,947,734.47/19,240,342.20
  6. Step 6: Final answer
    x = 11,840,101.57

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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.