Home / 8,590,071.84-12,857,069.88-6,314,993.52

Finding the Fourth Proportional to 8,590,071.84, 12,857,069.88 and 6,314,993.52

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Solution

The fourth proportional to 8,590,071.84, 12,857,069.88 and 6,314,993.52 is: 9,451,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,071.84 : 12,857,069.88 = 6,314,993.52 : x
  2. Step 2: Convert to fraction form
    8,590,071.84/12,857,069.88 = 6,314,993.52/x
  3. Step 3: Cross multiply
    8,590,071.84x = 12,857,069.88 × 6,314,993.52
  4. Step 4: Simplify right side
    8,590,071.84x = 81,192,312,978,387.17
  5. Step 5: Solve for x
    x = 81,192,312,978,387.17/8,590,071.84
  6. Step 6: Final answer
    x = 9,451,878.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.