Home / 10,198,784.52-15,288,560.06-5,076,371.25

Finding the Fourth Proportional to 10,198,784.52, 15,288,560.06 and 5,076,371.25

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Solution

The fourth proportional to 10,198,784.52, 15,288,560.06 and 5,076,371.25 is: 7,609,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,784.52 : 15,288,560.06 = 5,076,371.25 : x
  2. Step 2: Convert to fraction form
    10,198,784.52/15,288,560.06 = 5,076,371.25/x
  3. Step 3: Cross multiply
    10,198,784.52x = 15,288,560.06 × 5,076,371.25
  4. Step 4: Simplify right side
    10,198,784.52x = 77,610,406,717,100.42
  5. Step 5: Solve for x
    x = 77,610,406,717,100.42/10,198,784.52
  6. Step 6: Final answer
    x = 7,609,770.22

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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.