Home / 20,774,934.61-31,164,010.47-6,941,941.18

Finding the Fourth Proportional to 20,774,934.61, 31,164,010.47 and 6,941,941.18

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Solution

The fourth proportional to 20,774,934.61, 31,164,010.47 and 6,941,941.18 is: 10,413,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,934.61 : 31,164,010.47 = 6,941,941.18 : x
  2. Step 2: Convert to fraction form
    20,774,934.61/31,164,010.47 = 6,941,941.18/x
  3. Step 3: Cross multiply
    20,774,934.61x = 31,164,010.47 × 6,941,941.18
  4. Step 4: Simplify right side
    20,774,934.61x = 216,338,727,537,734.12
  5. Step 5: Solve for x
    x = 216,338,727,537,734.12/20,774,934.61
  6. Step 6: Final answer
    x = 10,413,449.27

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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.