Home / 13,665,674.16-18,857,890.26-7,553,709

Finding the Fourth Proportional to 13,665,674.16, 18,857,890.26 and 7,553,709

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Solution

The fourth proportional to 13,665,674.16, 18,857,890.26 and 7,553,709 is: 10,423,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,674.16 : 18,857,890.26 = 7,553,709 : x
  2. Step 2: Convert to fraction form
    13,665,674.16/18,857,890.26 = 7,553,709/x
  3. Step 3: Cross multiply
    13,665,674.16x = 18,857,890.26 × 7,553,709
  4. Step 4: Simplify right side
    13,665,674.16x = 142,447,015,377,974.34
  5. Step 5: Solve for x
    x = 142,447,015,377,974.34/13,665,674.16
  6. Step 6: Final answer
    x = 10,423,709.34

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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.