Home / 7,690,209.20-11,535,313.80-3,708,897.20

Finding the Fourth Proportional to 7,690,209.20, 11,535,313.80 and 3,708,897.20

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Solution

The fourth proportional to 7,690,209.20, 11,535,313.80 and 3,708,897.20 is: 5,563,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690,209.20 : 11,535,313.80 = 3,708,897.20 : x
  2. Step 2: Convert to fraction form
    7,690,209.20/11,535,313.80 = 3,708,897.20/x
  3. Step 3: Cross multiply
    7,690,209.20x = 11,535,313.80 × 3,708,897.20
  4. Step 4: Simplify right side
    7,690,209.20x = 42,783,293,053,941.37
  5. Step 5: Solve for x
    x = 42,783,293,053,941.37/7,690,209.20
  6. Step 6: Final answer
    x = 5,563,345.80

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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.