Home / 10,821,900.98-16,229,022.30-3,143,948.45

Finding the Fourth Proportional to 10,821,900.98, 16,229,022.30 and 3,143,948.45

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Solution

The fourth proportional to 10,821,900.98, 16,229,022.30 and 3,143,948.45 is: 4,714,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821,900.98 : 16,229,022.30 = 3,143,948.45 : x
  2. Step 2: Convert to fraction form
    10,821,900.98/16,229,022.30 = 3,143,948.45/x
  3. Step 3: Cross multiply
    10,821,900.98x = 16,229,022.30 × 3,143,948.45
  4. Step 4: Simplify right side
    10,821,900.98x = 51,023,209,423,955.32
  5. Step 5: Solve for x
    x = 51,023,209,423,955.32/10,821,900.98
  6. Step 6: Final answer
    x = 4,714,810.23

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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.