Home / 12,578,363.83-18,866,878.71-4,058,701.21

Finding the Fourth Proportional to 12,578,363.83, 18,866,878.71 and 4,058,701.21

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Solution

The fourth proportional to 12,578,363.83, 18,866,878.71 and 4,058,701.21 is: 6,087,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,363.83 : 18,866,878.71 = 4,058,701.21 : x
  2. Step 2: Convert to fraction form
    12,578,363.83/18,866,878.71 = 4,058,701.21/x
  3. Step 3: Cross multiply
    12,578,363.83x = 18,866,878.71 × 4,058,701.21
  4. Step 4: Simplify right side
    12,578,363.83x = 76,575,023,449,200.23
  5. Step 5: Solve for x
    x = 76,575,023,449,200.23/12,578,363.83
  6. Step 6: Final answer
    x = 6,087,836.58

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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.