Home / 19,119,117.71-28,690,634.30-7,759,566.34

Finding the Fourth Proportional to 19,119,117.71, 28,690,634.30 and 7,759,566.34

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Solution

The fourth proportional to 19,119,117.71, 28,690,634.30 and 7,759,566.34 is: 11,644,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,117.71 : 28,690,634.30 = 7,759,566.34 : x
  2. Step 2: Convert to fraction form
    19,119,117.71/28,690,634.30 = 7,759,566.34/x
  3. Step 3: Cross multiply
    19,119,117.71x = 28,690,634.30 × 7,759,566.34
  4. Step 4: Simplify right side
    19,119,117.71x = 222,626,880,077,005.06
  5. Step 5: Solve for x
    x = 222,626,880,077,005.06/19,119,117.71
  6. Step 6: Final answer
    x = 11,644,202.59

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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.