Home / 13,652,623.17-18,840,684.18-7,457,755.83

Finding the Fourth Proportional to 13,652,623.17, 18,840,684.18 and 7,457,755.83

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Solution

The fourth proportional to 13,652,623.17, 18,840,684.18 and 7,457,755.83 is: 10,291,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,623.17 : 18,840,684.18 = 7,457,755.83 : x
  2. Step 2: Convert to fraction form
    13,652,623.17/18,840,684.18 = 7,457,755.83/x
  3. Step 3: Cross multiply
    13,652,623.17x = 18,840,684.18 × 7,457,755.83
  4. Step 4: Simplify right side
    13,652,623.17x = 140,509,222,153,091.58
  5. Step 5: Solve for x
    x = 140,509,222,153,091.58/13,652,623.17
  6. Step 6: Final answer
    x = 10,291,738.11

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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.