Home / 11,231,818.95-15,509,358.45-7,109,123.04

Finding the Fourth Proportional to 11,231,818.95, 15,509,358.45 and 7,109,123.04

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Solution

The fourth proportional to 11,231,818.95, 15,509,358.45 and 7,109,123.04 is: 9,816,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231,818.95 : 15,509,358.45 = 7,109,123.04 : x
  2. Step 2: Convert to fraction form
    11,231,818.95/15,509,358.45 = 7,109,123.04/x
  3. Step 3: Cross multiply
    11,231,818.95x = 15,509,358.45 × 7,109,123.04
  4. Step 4: Simplify right side
    11,231,818.95x = 110,257,937,492,513.69
  5. Step 5: Solve for x
    x = 110,257,937,492,513.69/11,231,818.95
  6. Step 6: Final answer
    x = 9,816,570.05

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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.