Home / 19,119,156.17-28,690,691.67-7,759,604.79

Finding the Fourth Proportional to 19,119,156.17, 28,690,691.67 and 7,759,604.79

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Solution

The fourth proportional to 19,119,156.17, 28,690,691.67 and 7,759,604.79 is: 11,644,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,156.17 : 28,690,691.67 = 7,759,604.79 : x
  2. Step 2: Convert to fraction form
    19,119,156.17/28,690,691.67 = 7,759,604.79/x
  3. Step 3: Cross multiply
    19,119,156.17x = 28,690,691.67 × 7,759,604.79
  4. Step 4: Simplify right side
    19,119,156.17x = 222,628,428,510,945.12
  5. Step 5: Solve for x
    x = 222,628,428,510,945.12/19,119,156.17
  6. Step 6: Final answer
    x = 11,644,260.16

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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.