Home / 12,690,496.28-17,511,037.02-7,256,938.52

Finding the Fourth Proportional to 12,690,496.28, 17,511,037.02 and 7,256,938.52

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Solution

The fourth proportional to 12,690,496.28, 17,511,037.02 and 7,256,938.52 is: 10,013,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,496.28 : 17,511,037.02 = 7,256,938.52 : x
  2. Step 2: Convert to fraction form
    12,690,496.28/17,511,037.02 = 7,256,938.52/x
  3. Step 3: Cross multiply
    12,690,496.28x = 17,511,037.02 × 7,256,938.52
  4. Step 4: Simplify right side
    12,690,496.28x = 127,076,518,988,028.81
  5. Step 5: Solve for x
    x = 127,076,518,988,028.81/12,690,496.28
  6. Step 6: Final answer
    x = 10,013,518.48

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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.