Home / 22,472,507.26-31,012,204.98-13,178,186.02

Finding the Fourth Proportional to 22,472,507.26, 31,012,204.98 and 13,178,186.02

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Solution

The fourth proportional to 22,472,507.26, 31,012,204.98 and 13,178,186.02 is: 18,185,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472,507.26 : 31,012,204.98 = 13,178,186.02 : x
  2. Step 2: Convert to fraction form
    22,472,507.26/31,012,204.98 = 13,178,186.02/x
  3. Step 3: Cross multiply
    22,472,507.26x = 31,012,204.98 × 13,178,186.02
  4. Step 4: Simplify right side
    22,472,507.26x = 408,684,606,116,810.38
  5. Step 5: Solve for x
    x = 408,684,606,116,810.38/22,472,507.26
  6. Step 6: Final answer
    x = 18,185,981.71

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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.