Home / 10,891,980.30-16,337,970.45-10,369,433.10

Finding the Fourth Proportional to 10,891,980.30, 16,337,970.45 and 10,369,433.10

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Solution

The fourth proportional to 10,891,980.30, 16,337,970.45 and 10,369,433.10 is: 15,554,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,980.30 : 16,337,970.45 = 10,369,433.10 : x
  2. Step 2: Convert to fraction form
    10,891,980.30/16,337,970.45 = 10,369,433.10/x
  3. Step 3: Cross multiply
    10,891,980.30x = 16,337,970.45 × 10,369,433.10
  4. Step 4: Simplify right side
    10,891,980.30x = 169,415,491,571,051.88
  5. Step 5: Solve for x
    x = 169,415,491,571,051.88/10,891,980.30
  6. Step 6: Final answer
    x = 15,554,149.65

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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.