Home / 8,102,937.90-11,183,550.21-5,205,950.22

Finding the Fourth Proportional to 8,102,937.90, 11,183,550.21 and 5,205,950.22

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Solution

The fourth proportional to 8,102,937.90, 11,183,550.21 and 5,205,950.22 is: 7,185,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,937.90 : 11,183,550.21 = 5,205,950.22 : x
  2. Step 2: Convert to fraction form
    8,102,937.90/11,183,550.21 = 5,205,950.22/x
  3. Step 3: Cross multiply
    8,102,937.90x = 11,183,550.21 × 5,205,950.22
  4. Step 4: Simplify right side
    8,102,937.90x = 58,221,005,676,130.55
  5. Step 5: Solve for x
    x = 58,221,005,676,130.55/8,102,937.90
  6. Step 6: Final answer
    x = 7,185,172.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.