Home / 13,194,654.30-19,785,743.37-5,111,415.90

Finding the Fourth Proportional to 13,194,654.30, 19,785,743.37 and 5,111,415.90

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Solution

The fourth proportional to 13,194,654.30, 19,785,743.37 and 5,111,415.90 is: 7,664,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,654.30 : 19,785,743.37 = 5,111,415.90 : x
  2. Step 2: Convert to fraction form
    13,194,654.30/19,785,743.37 = 5,111,415.90/x
  3. Step 3: Cross multiply
    13,194,654.30x = 19,785,743.37 × 5,111,415.90
  4. Step 4: Simplify right side
    13,194,654.30x = 101,133,163,254,737.59
  5. Step 5: Solve for x
    x = 101,133,163,254,737.59/13,194,654.30
  6. Step 6: Final answer
    x = 7,664,707.31

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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.