Home / 22,828,987.45-31,505,985.47-12,517,703.45

Finding the Fourth Proportional to 22,828,987.45, 31,505,985.47 and 12,517,703.45

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Solution

The fourth proportional to 22,828,987.45, 31,505,985.47 and 12,517,703.45 is: 17,275,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828,987.45 : 31,505,985.47 = 12,517,703.45 : x
  2. Step 2: Convert to fraction form
    22,828,987.45/31,505,985.47 = 12,517,703.45/x
  3. Step 3: Cross multiply
    22,828,987.45x = 31,505,985.47 × 12,517,703.45
  4. Step 4: Simplify right side
    22,828,987.45x = 394,382,583,013,468.81
  5. Step 5: Solve for x
    x = 394,382,583,013,468.81/22,828,987.45
  6. Step 6: Final answer
    x = 17,275,517.97

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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.