Home / 13,625,898.22-18,803,107.05-7,820,594.20

Finding the Fourth Proportional to 13,625,898.22, 18,803,107.05 and 7,820,594.20

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Solution

The fourth proportional to 13,625,898.22, 18,803,107.05 and 7,820,594.20 is: 10,792,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,898.22 : 18,803,107.05 = 7,820,594.20 : x
  2. Step 2: Convert to fraction form
    13,625,898.22/18,803,107.05 = 7,820,594.20/x
  3. Step 3: Cross multiply
    13,625,898.22x = 18,803,107.05 × 7,820,594.20
  4. Step 4: Simplify right side
    13,625,898.22x = 147,051,469,937,209.12
  5. Step 5: Solve for x
    x = 147,051,469,937,209.12/13,625,898.22
  6. Step 6: Final answer
    x = 10,792,056.98

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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.