Home / 9,316,619.49-12,857,522.19-5,645,857.04

Finding the Fourth Proportional to 9,316,619.49, 12,857,522.19 and 5,645,857.04

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Solution

The fourth proportional to 9,316,619.49, 12,857,522.19 and 5,645,857.04 is: 7,791,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316,619.49 : 12,857,522.19 = 5,645,857.04 : x
  2. Step 2: Convert to fraction form
    9,316,619.49/12,857,522.19 = 5,645,857.04/x
  3. Step 3: Cross multiply
    9,316,619.49x = 12,857,522.19 × 5,645,857.04
  4. Step 4: Simplify right side
    9,316,619.49x = 72,591,732,167,881.80
  5. Step 5: Solve for x
    x = 72,591,732,167,881.80/9,316,619.49
  6. Step 6: Final answer
    x = 7,791,638.61

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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.