Home / 12,339,320.80-18,500,686.80-6,583,007.20

Finding the Fourth Proportional to 12,339,320.80, 18,500,686.80 and 6,583,007.20

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Solution

The fourth proportional to 12,339,320.80, 18,500,686.80 and 6,583,007.20 is: 9,870,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,320.80 : 18,500,686.80 = 6,583,007.20 : x
  2. Step 2: Convert to fraction form
    12,339,320.80/18,500,686.80 = 6,583,007.20/x
  3. Step 3: Cross multiply
    12,339,320.80x = 18,500,686.80 × 6,583,007.20
  4. Step 4: Simplify right side
    12,339,320.80x = 121,790,154,409,344.97
  5. Step 5: Solve for x
    x = 121,790,154,409,344.97/12,339,320.80
  6. Step 6: Final answer
    x = 9,870,085.75

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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.