Home / 22,566,939.18-31,143,268.98-12,643,907.46

Finding the Fourth Proportional to 22,566,939.18, 31,143,268.98 and 12,643,907.46

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Solution

The fourth proportional to 22,566,939.18, 31,143,268.98 and 12,643,907.46 is: 17,449,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,566,939.18 : 31,143,268.98 = 12,643,907.46 : x
  2. Step 2: Convert to fraction form
    22,566,939.18/31,143,268.98 = 12,643,907.46/x
  3. Step 3: Cross multiply
    22,566,939.18x = 31,143,268.98 × 12,643,907.46
  4. Step 4: Simplify right side
    22,566,939.18x = 393,772,610,985,008.62
  5. Step 5: Solve for x
    x = 393,772,610,985,008.62/22,566,939.18
  6. Step 6: Final answer
    x = 17,449,092.58

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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.