Home / 8,749,007.80-13,123,511.70-3,430,223.80

Finding the Fourth Proportional to 8,749,007.80, 13,123,511.70 and 3,430,223.80

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Solution

The fourth proportional to 8,749,007.80, 13,123,511.70 and 3,430,223.80 is: 5,145,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,007.80 : 13,123,511.70 = 3,430,223.80 : x
  2. Step 2: Convert to fraction form
    8,749,007.80/13,123,511.70 = 3,430,223.80/x
  3. Step 3: Cross multiply
    8,749,007.80x = 13,123,511.70 × 3,430,223.80
  4. Step 4: Simplify right side
    8,749,007.80x = 45,016,582,172,918.45
  5. Step 5: Solve for x
    x = 45,016,582,172,918.45/8,749,007.80
  6. Step 6: Final answer
    x = 5,145,335.70

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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.