Home / 18,636,967.87-25,718,708.58-10,903,320.34

Finding the Fourth Proportional to 18,636,967.87, 25,718,708.58 and 10,903,320.34

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Solution

The fourth proportional to 18,636,967.87, 25,718,708.58 and 10,903,320.34 is: 15,046,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,967.87 : 25,718,708.58 = 10,903,320.34 : x
  2. Step 2: Convert to fraction form
    18,636,967.87/25,718,708.58 = 10,903,320.34/x
  3. Step 3: Cross multiply
    18,636,967.87x = 25,718,708.58 × 10,903,320.34
  4. Step 4: Simplify right side
    18,636,967.87x = 280,419,318,378,846.50
  5. Step 5: Solve for x
    x = 280,419,318,378,846.50/18,636,967.87
  6. Step 6: Final answer
    x = 15,046,402.42

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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.