Home / 16,171,849.23-22,316,846.87-9,891,914.51

Finding the Fourth Proportional to 16,171,849.23, 22,316,846.87 and 9,891,914.51

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Solution

The fourth proportional to 16,171,849.23, 22,316,846.87 and 9,891,914.51 is: 13,650,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171,849.23 : 22,316,846.87 = 9,891,914.51 : x
  2. Step 2: Convert to fraction form
    16,171,849.23/22,316,846.87 = 9,891,914.51/x
  3. Step 3: Cross multiply
    16,171,849.23x = 22,316,846.87 × 9,891,914.51
  4. Step 4: Simplify right side
    16,171,849.23x = 220,756,341,259,216.88
  5. Step 5: Solve for x
    x = 220,756,341,259,216.88/16,171,849.23
  6. Step 6: Final answer
    x = 13,650,655.41

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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.