Home / 42,855,562-64,300,375.14-13,713,890.68

Finding the Fourth Proportional to 42,855,562, 64,300,375.14 and 13,713,890.68

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Solution

The fourth proportional to 42,855,562, 64,300,375.14 and 13,713,890.68 is: 20,576,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855,562 : 64,300,375.14 = 13,713,890.68 : x
  2. Step 2: Convert to fraction form
    42,855,562/64,300,375.14 = 13,713,890.68/x
  3. Step 3: Cross multiply
    42,855,562x = 64,300,375.14 × 13,713,890.68
  4. Step 4: Simplify right side
    42,855,562x = 881,808,315,352,949.62
  5. Step 5: Solve for x
    x = 881,808,315,352,949.62/42,855,562
  6. Step 6: Final answer
    x = 20,576,286.35

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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.