Home / 13,816,763.76-19,066,270.95-7,621,882.14

Finding the Fourth Proportional to 13,816,763.76, 19,066,270.95 and 7,621,882.14

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Solution

The fourth proportional to 13,816,763.76, 19,066,270.95 and 7,621,882.14 is: 10,517,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816,763.76 : 19,066,270.95 = 7,621,882.14 : x
  2. Step 2: Convert to fraction form
    13,816,763.76/19,066,270.95 = 7,621,882.14/x
  3. Step 3: Cross multiply
    13,816,763.76x = 19,066,270.95 × 7,621,882.14
  4. Step 4: Simplify right side
    13,816,763.76x = 145,320,870,030,205.81
  5. Step 5: Solve for x
    x = 145,320,870,030,205.81/13,816,763.76
  6. Step 6: Final answer
    x = 10,517,721.27

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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.