Home / 13,295,998.30-19,930,000.65-5,205,847.90

Finding the Fourth Proportional to 13,295,998.30, 19,930,000.65 and 5,205,847.90

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Solution

The fourth proportional to 13,295,998.30, 19,930,000.65 and 5,205,847.90 is: 7,803,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,998.30 : 19,930,000.65 = 5,205,847.90 : x
  2. Step 2: Convert to fraction form
    13,295,998.30/19,930,000.65 = 5,205,847.90/x
  3. Step 3: Cross multiply
    13,295,998.30x = 19,930,000.65 × 5,205,847.90
  4. Step 4: Simplify right side
    13,295,998.30x = 103,752,552,030,801.14
  5. Step 5: Solve for x
    x = 103,752,552,030,801.14/13,295,998.30
  6. Step 6: Final answer
    x = 7,803,291.61

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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.