Home / 20,774,935.95-31,164,012.45-6,941,942.46

Finding the Fourth Proportional to 20,774,935.95, 31,164,012.45 and 6,941,942.46

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Solution

The fourth proportional to 20,774,935.95, 31,164,012.45 and 6,941,942.46 is: 10,413,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,935.95 : 31,164,012.45 = 6,941,942.46 : x
  2. Step 2: Convert to fraction form
    20,774,935.95/31,164,012.45 = 6,941,942.46/x
  3. Step 3: Cross multiply
    20,774,935.95x = 31,164,012.45 × 6,941,942.46
  4. Step 4: Simplify right side
    20,774,935.95x = 216,338,781,250,623.62
  5. Step 5: Solve for x
    x = 216,338,781,250,623.62/20,774,935.95
  6. Step 6: Final answer
    x = 10,413,451.18

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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.