Home / 21,068,107.45-31,602,161.18-5,922,038.95

Finding the Fourth Proportional to 21,068,107.45, 31,602,161.18 and 5,922,038.95

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Solution

The fourth proportional to 21,068,107.45, 31,602,161.18 and 5,922,038.95 is: 8,883,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,107.45 : 31,602,161.18 = 5,922,038.95 : x
  2. Step 2: Convert to fraction form
    21,068,107.45/31,602,161.18 = 5,922,038.95/x
  3. Step 3: Cross multiply
    21,068,107.45x = 31,602,161.18 × 5,922,038.95
  4. Step 4: Simplify right side
    21,068,107.45x = 187,149,229,347,937.66
  5. Step 5: Solve for x
    x = 187,149,229,347,937.66/21,068,107.45
  6. Step 6: Final answer
    x = 8,883,058.42

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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.