Home / 30,966,579.57-42,736,600.49-17,030,388.18

Finding the Fourth Proportional to 30,966,579.57, 42,736,600.49 and 17,030,388.18

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Solution

The fourth proportional to 30,966,579.57, 42,736,600.49 and 17,030,388.18 is: 23,503,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966,579.57 : 42,736,600.49 = 17,030,388.18 : x
  2. Step 2: Convert to fraction form
    30,966,579.57/42,736,600.49 = 17,030,388.18/x
  3. Step 3: Cross multiply
    30,966,579.57x = 42,736,600.49 × 17,030,388.18
  4. Step 4: Simplify right side
    30,966,579.57x = 727,820,895,753,126.25
  5. Step 5: Solve for x
    x = 727,820,895,753,126.25/30,966,579.57
  6. Step 6: Final answer
    x = 23,503,431.95

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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.