Home / 22,117,956.60-30,535,873.18-19,663,789.05

Finding the Fourth Proportional to 22,117,956.60, 30,535,873.18 and 19,663,789.05

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Solution

The fourth proportional to 22,117,956.60, 30,535,873.18 and 19,663,789.05 is: 27,147,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117,956.60 : 30,535,873.18 = 19,663,789.05 : x
  2. Step 2: Convert to fraction form
    22,117,956.60/30,535,873.18 = 19,663,789.05/x
  3. Step 3: Cross multiply
    22,117,956.60x = 30,535,873.18 × 19,663,789.05
  4. Step 4: Simplify right side
    22,117,956.60x = 600,450,968,730,522
  5. Step 5: Solve for x
    x = 600,450,968,730,522/22,117,956.60
  6. Step 6: Final answer
    x = 27,147,669.18

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Why These Related Problems?

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