Home / 13,979,523.96-19,291,122.54-7,784,890.20

Finding the Fourth Proportional to 13,979,523.96, 19,291,122.54 and 7,784,890.20

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Solution

The fourth proportional to 13,979,523.96, 19,291,122.54 and 7,784,890.20 is: 10,742,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,523.96 : 19,291,122.54 = 7,784,890.20 : x
  2. Step 2: Convert to fraction form
    13,979,523.96/19,291,122.54 = 7,784,890.20/x
  3. Step 3: Cross multiply
    13,979,523.96x = 19,291,122.54 × 7,784,890.20
  4. Step 4: Simplify right side
    13,979,523.96x = 150,179,270,808,645.09
  5. Step 5: Solve for x
    x = 150,179,270,808,645.09/13,979,523.96
  6. Step 6: Final answer
    x = 10,742,802.92

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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.