Home / 18,513,643.80-27,767,905.70-5,742,930.20

Finding the Fourth Proportional to 18,513,643.80, 27,767,905.70 and 5,742,930.20

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Solution

The fourth proportional to 18,513,643.80, 27,767,905.70 and 5,742,930.20 is: 8,613,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513,643.80 : 27,767,905.70 = 5,742,930.20 : x
  2. Step 2: Convert to fraction form
    18,513,643.80/27,767,905.70 = 5,742,930.20/x
  3. Step 3: Cross multiply
    18,513,643.80x = 27,767,905.70 × 5,742,930.20
  4. Step 4: Simplify right side
    18,513,643.80x = 159,469,144,235,282.16
  5. Step 5: Solve for x
    x = 159,469,144,235,282.16/18,513,643.80
  6. Step 6: Final answer
    x = 8,613,601.19

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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.