Home / 13,619,134.17-18,793,725.50-7,737,991.37

Finding the Fourth Proportional to 13,619,134.17, 18,793,725.50 and 7,737,991.37

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Solution

The fourth proportional to 13,619,134.17, 18,793,725.50 and 7,737,991.37 is: 10,678,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,134.17 : 18,793,725.50 = 7,737,991.37 : x
  2. Step 2: Convert to fraction form
    13,619,134.17/18,793,725.50 = 7,737,991.37/x
  3. Step 3: Cross multiply
    13,619,134.17x = 18,793,725.50 × 7,737,991.37
  4. Step 4: Simplify right side
    13,619,134.17x = 145,425,685,596,490.38
  5. Step 5: Solve for x
    x = 145,425,685,596,490.38/13,619,134.17
  6. Step 6: Final answer
    x = 10,678,041.92

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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.