Home / 8,612,492.73-12,918,309.62-3,220,746.72

Finding the Fourth Proportional to 8,612,492.73, 12,918,309.62 and 3,220,746.72

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Solution

The fourth proportional to 8,612,492.73, 12,918,309.62 and 3,220,746.72 is: 4,830,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,492.73 : 12,918,309.62 = 3,220,746.72 : x
  2. Step 2: Convert to fraction form
    8,612,492.73/12,918,309.62 = 3,220,746.72/x
  3. Step 3: Cross multiply
    8,612,492.73x = 12,918,309.62 × 3,220,746.72
  4. Step 4: Simplify right side
    8,612,492.73x = 41,606,603,320,455.72
  5. Step 5: Solve for x
    x = 41,606,603,320,455.72/8,612,492.73
  6. Step 6: Final answer
    x = 4,830,959.47

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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.