Home / 7,115,489.84-9,819,379-3,852,304.40

Finding the Fourth Proportional to 7,115,489.84, 9,819,379 and 3,852,304.40

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Solution

The fourth proportional to 7,115,489.84, 9,819,379 and 3,852,304.40 is: 5,316,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,489.84 : 9,819,379 = 3,852,304.40 : x
  2. Step 2: Convert to fraction form
    7,115,489.84/9,819,379 = 3,852,304.40/x
  3. Step 3: Cross multiply
    7,115,489.84x = 9,819,379 × 3,852,304.40
  4. Step 4: Simplify right side
    7,115,489.84x = 37,827,236,926,967.60
  5. Step 5: Solve for x
    x = 37,827,236,926,967.60/7,115,489.84
  6. Step 6: Final answer
    x = 5,316,181.71

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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.