Home / 12,401,671.57-17,115,265.41-7,440,298.81

Finding the Fourth Proportional to 12,401,671.57, 17,115,265.41 and 7,440,298.81

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Solution

The fourth proportional to 12,401,671.57, 17,115,265.41 and 7,440,298.81 is: 10,268,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,671.57 : 17,115,265.41 = 7,440,298.81 : x
  2. Step 2: Convert to fraction form
    12,401,671.57/17,115,265.41 = 7,440,298.81/x
  3. Step 3: Cross multiply
    12,401,671.57x = 17,115,265.41 × 7,440,298.81
  4. Step 4: Simplify right side
    12,401,671.57x = 127,342,688,862,857.16
  5. Step 5: Solve for x
    x = 127,342,688,862,857.16/12,401,671.57
  6. Step 6: Final answer
    x = 10,268,187.49

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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.