Home / 18,577,778.99-25,637,651.80-10,205,501.65

Finding the Fourth Proportional to 18,577,778.99, 25,637,651.80 and 10,205,501.65

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Solution

The fourth proportional to 18,577,778.99, 25,637,651.80 and 10,205,501.65 is: 14,083,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577,778.99 : 25,637,651.80 = 10,205,501.65 : x
  2. Step 2: Convert to fraction form
    18,577,778.99/25,637,651.80 = 10,205,501.65/x
  3. Step 3: Cross multiply
    18,577,778.99x = 25,637,651.80 × 10,205,501.65
  4. Step 4: Simplify right side
    18,577,778.99x = 261,645,097,657,417.59
  5. Step 5: Solve for x
    x = 261,645,097,657,417.59/18,577,778.99
  6. Step 6: Final answer
    x = 14,083,766.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.