Home / 10,198,872.09-15,288,690.33-5,076,459

Finding the Fourth Proportional to 10,198,872.09, 15,288,690.33 and 5,076,459

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Solution

The fourth proportional to 10,198,872.09, 15,288,690.33 and 5,076,459 is: 7,609,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,872.09 : 15,288,690.33 = 5,076,459 : x
  2. Step 2: Convert to fraction form
    10,198,872.09/15,288,690.33 = 5,076,459/x
  3. Step 3: Cross multiply
    10,198,872.09x = 15,288,690.33 × 5,076,459
  4. Step 4: Simplify right side
    10,198,872.09x = 77,612,409,623,941.47
  5. Step 5: Solve for x
    x = 77,612,409,623,941.47/10,198,872.09
  6. Step 6: Final answer
    x = 7,609,901.27

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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.