Home / 12,816,642.31-17,686,987.81-6,936,281.73

Finding the Fourth Proportional to 12,816,642.31, 17,686,987.81 and 6,936,281.73

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Solution

The fourth proportional to 12,816,642.31, 17,686,987.81 and 6,936,281.73 is: 9,572,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,642.31 : 17,686,987.81 = 6,936,281.73 : x
  2. Step 2: Convert to fraction form
    12,816,642.31/17,686,987.81 = 6,936,281.73/x
  3. Step 3: Cross multiply
    12,816,642.31x = 17,686,987.81 × 6,936,281.73
  4. Step 4: Simplify right side
    12,816,642.31x = 122,681,930,387,895.02
  5. Step 5: Solve for x
    x = 122,681,930,387,895.02/12,816,642.31
  6. Step 6: Final answer
    x = 9,572,080.38

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1.5x scale

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.