Home / 12,643,499.87-17,448,084.80-6,842,282.12

Finding the Fourth Proportional to 12,643,499.87, 17,448,084.80 and 6,842,282.12

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Solution

The fourth proportional to 12,643,499.87, 17,448,084.80 and 6,842,282.12 is: 9,442,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,499.87 : 17,448,084.80 = 6,842,282.12 : x
  2. Step 2: Convert to fraction form
    12,643,499.87/17,448,084.80 = 6,842,282.12/x
  3. Step 3: Cross multiply
    12,643,499.87x = 17,448,084.80 × 6,842,282.12
  4. Step 4: Simplify right side
    12,643,499.87x = 119,384,718,716,009.67
  5. Step 5: Solve for x
    x = 119,384,718,716,009.67/12,643,499.87
  6. Step 6: Final answer
    x = 9,442,379.08

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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.