Home / 12,816,642.87-17,686,988.61-6,936,282.29

Finding the Fourth Proportional to 12,816,642.87, 17,686,988.61 and 6,936,282.29

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Solution

The fourth proportional to 12,816,642.87, 17,686,988.61 and 6,936,282.29 is: 9,572,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,642.87 : 17,686,988.61 = 6,936,282.29 : x
  2. Step 2: Convert to fraction form
    12,816,642.87/17,686,988.61 = 6,936,282.29/x
  3. Step 3: Cross multiply
    12,816,642.87x = 17,686,988.61 × 6,936,282.29
  4. Step 4: Simplify right side
    12,816,642.87x = 122,681,945,877,181.12
  5. Step 5: Solve for x
    x = 122,681,945,877,181.12/12,816,642.87
  6. Step 6: Final answer
    x = 9,572,081.17

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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.