Home / 21,870,141.70-32,805,212.55-13,756,809.10

Finding the Fourth Proportional to 21,870,141.70, 32,805,212.55 and 13,756,809.10

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Solution

The fourth proportional to 21,870,141.70, 32,805,212.55 and 13,756,809.10 is: 20,635,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,141.70 : 32,805,212.55 = 13,756,809.10 : x
  2. Step 2: Convert to fraction form
    21,870,141.70/32,805,212.55 = 13,756,809.10/x
  3. Step 3: Cross multiply
    21,870,141.70x = 32,805,212.55 × 13,756,809.10
  4. Step 4: Simplify right side
    21,870,141.70x = 451,295,046,535,274.19
  5. Step 5: Solve for x
    x = 451,295,046,535,274.19/21,870,141.70
  6. Step 6: Final answer
    x = 20,635,213.65

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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.