Home / 22,555,689.04-31,121,513.64-12,766,133.50

Finding the Fourth Proportional to 22,555,689.04, 31,121,513.64 and 12,766,133.50

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Solution

The fourth proportional to 22,555,689.04, 31,121,513.64 and 12,766,133.50 is: 17,614,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,689.04 : 31,121,513.64 = 12,766,133.50 : x
  2. Step 2: Convert to fraction form
    22,555,689.04/31,121,513.64 = 12,766,133.50/x
  3. Step 3: Cross multiply
    22,555,689.04x = 31,121,513.64 × 12,766,133.50
  4. Step 4: Simplify right side
    22,555,689.04x = 397,301,397,850,310.94
  5. Step 5: Solve for x
    x = 397,301,397,850,310.94/22,555,689.04
  6. Step 6: Final answer
    x = 17,614,243.45

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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.