Home / 21,849,006.66-30,151,629.20-12,191,214.66

Finding the Fourth Proportional to 21,849,006.66, 30,151,629.20 and 12,191,214.66

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Solution

The fourth proportional to 21,849,006.66, 30,151,629.20 and 12,191,214.66 is: 16,823,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,006.66 : 30,151,629.20 = 12,191,214.66 : x
  2. Step 2: Convert to fraction form
    21,849,006.66/30,151,629.20 = 12,191,214.66/x
  3. Step 3: Cross multiply
    21,849,006.66x = 30,151,629.20 × 12,191,214.66
  4. Step 4: Simplify right side
    21,849,006.66x = 367,584,983,843,333.50
  5. Step 5: Solve for x
    x = 367,584,983,843,333.50/21,849,006.66
  6. Step 6: Final answer
    x = 16,823,876.24

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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.