Home / 15,406,846.68-21,261,443.58-8,531,326.92

Finding the Fourth Proportional to 15,406,846.68, 21,261,443.58 and 8,531,326.92

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Solution

The fourth proportional to 15,406,846.68, 21,261,443.58 and 8,531,326.92 is: 11,773,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,846.68 : 21,261,443.58 = 8,531,326.92 : x
  2. Step 2: Convert to fraction form
    15,406,846.68/21,261,443.58 = 8,531,326.92/x
  3. Step 3: Cross multiply
    15,406,846.68x = 21,261,443.58 × 8,531,326.92
  4. Step 4: Simplify right side
    15,406,846.68x = 181,388,325,972,115.16
  5. Step 5: Solve for x
    x = 181,388,325,972,115.16/15,406,846.68
  6. Step 6: Final answer
    x = 11,773,228.47

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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.