Home / 11,874,708-16,387,128.72-6,442,200

Finding the Fourth Proportional to 11,874,708, 16,387,128.72 and 6,442,200

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Solution

The fourth proportional to 11,874,708, 16,387,128.72 and 6,442,200 is: 8,890,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,708 : 16,387,128.72 = 6,442,200 : x
  2. Step 2: Convert to fraction form
    11,874,708/16,387,128.72 = 6,442,200/x
  3. Step 3: Cross multiply
    11,874,708x = 16,387,128.72 × 6,442,200
  4. Step 4: Simplify right side
    11,874,708x = 105,569,160,639,984
  5. Step 5: Solve for x
    x = 105,569,160,639,984/11,874,708
  6. Step 6: Final answer
    x = 8,890,253.19

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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.