Home / 5,055,110.31-6,974,348.90-2,878,113.11

Finding the Fourth Proportional to 5,055,110.31, 6,974,348.90 and 2,878,113.11

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Solution

The fourth proportional to 5,055,110.31, 6,974,348.90 and 2,878,113.11 is: 3,970,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,110.31 : 6,974,348.90 = 2,878,113.11 : x
  2. Step 2: Convert to fraction form
    5,055,110.31/6,974,348.90 = 2,878,113.11/x
  3. Step 3: Cross multiply
    5,055,110.31x = 6,974,348.90 × 2,878,113.11
  4. Step 4: Simplify right side
    5,055,110.31x = 20,072,964,953,541.77
  5. Step 5: Solve for x
    x = 20,072,964,953,541.77/5,055,110.31
  6. Step 6: Final answer
    x = 3,970,826.30

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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.