Home / 19,127,763.56-28,694,130.78-7,768,582.76

Finding the Fourth Proportional to 19,127,763.56, 28,694,130.78 and 7,768,582.76

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Solution

The fourth proportional to 19,127,763.56, 28,694,130.78 and 7,768,582.76 is: 11,653,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127,763.56 : 28,694,130.78 = 7,768,582.76 : x
  2. Step 2: Convert to fraction form
    19,127,763.56/28,694,130.78 = 7,768,582.76/x
  3. Step 3: Cross multiply
    19,127,763.56x = 28,694,130.78 × 7,768,582.76
  4. Step 4: Simplify right side
    19,127,763.56x = 222,912,729,690,693.34
  5. Step 5: Solve for x
    x = 222,912,729,690,693.34/19,127,763.56
  6. Step 6: Final answer
    x = 11,653,883.58

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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.