Home / 12,894,009.10-17,791,151.74-7,389,110.72

Finding the Fourth Proportional to 12,894,009.10, 17,791,151.74 and 7,389,110.72

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Solution

The fourth proportional to 12,894,009.10, 17,791,151.74 and 7,389,110.72 is: 10,195,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,009.10 : 17,791,151.74 = 7,389,110.72 : x
  2. Step 2: Convert to fraction form
    12,894,009.10/17,791,151.74 = 7,389,110.72/x
  3. Step 3: Cross multiply
    12,894,009.10x = 17,791,151.74 × 7,389,110.72
  4. Step 4: Simplify right side
    12,894,009.10x = 131,460,790,069,185.77
  5. Step 5: Solve for x
    x = 131,460,790,069,185.77/12,894,009.10
  6. Step 6: Final answer
    x = 10,195,493.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.