Home / 11,988,613.48-16,533,244.02-7,857,140.44

Finding the Fourth Proportional to 11,988,613.48, 16,533,244.02 and 7,857,140.44

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Solution

The fourth proportional to 11,988,613.48, 16,533,244.02 and 7,857,140.44 is: 10,835,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,613.48 : 16,533,244.02 = 7,857,140.44 : x
  2. Step 2: Convert to fraction form
    11,988,613.48/16,533,244.02 = 7,857,140.44/x
  3. Step 3: Cross multiply
    11,988,613.48x = 16,533,244.02 × 7,857,140.44
  4. Step 4: Simplify right side
    11,988,613.48x = 129,904,020,193,930.17
  5. Step 5: Solve for x
    x = 129,904,020,193,930.17/11,988,613.48
  6. Step 6: Final answer
    x = 10,835,616.68

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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.