Home / 15,406,848.93-21,261,446.69-8,531,329.17

Finding the Fourth Proportional to 15,406,848.93, 21,261,446.69 and 8,531,329.17

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Solution

The fourth proportional to 15,406,848.93, 21,261,446.69 and 8,531,329.17 is: 11,773,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,848.93 : 21,261,446.69 = 8,531,329.17 : x
  2. Step 2: Convert to fraction form
    15,406,848.93/21,261,446.69 = 8,531,329.17/x
  3. Step 3: Cross multiply
    15,406,848.93x = 21,261,446.69 × 8,531,329.17
  4. Step 4: Simplify right side
    15,406,848.93x = 181,388,400,300,140.28
  5. Step 5: Solve for x
    x = 181,388,400,300,140.28/15,406,848.93
  6. Step 6: Final answer
    x = 11,773,231.58

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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.