Home / 40,740,498.36-61,137,670.21-19,181,265.57

Finding the Fourth Proportional to 40,740,498.36, 61,137,670.21 and 19,181,265.57

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Solution

The fourth proportional to 40,740,498.36, 61,137,670.21 and 19,181,265.57 is: 28,784,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740,498.36 : 61,137,670.21 = 19,181,265.57 : x
  2. Step 2: Convert to fraction form
    40,740,498.36/61,137,670.21 = 19,181,265.57/x
  3. Step 3: Cross multiply
    40,740,498.36x = 61,137,670.21 × 19,181,265.57
  4. Step 4: Simplify right side
    40,740,498.36x = 1,172,697,888,581,134.50
  5. Step 5: Solve for x
    x = 1,172,697,888,581,134.50/40,740,498.36
  6. Step 6: Final answer
    x = 28,784,573.97

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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.