Home / 13,656,442.22-18,845,667.32-7,461,355.61

Finding the Fourth Proportional to 13,656,442.22, 18,845,667.32 and 7,461,355.61

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Solution

The fourth proportional to 13,656,442.22, 18,845,667.32 and 7,461,355.61 is: 10,296,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,442.22 : 18,845,667.32 = 7,461,355.61 : x
  2. Step 2: Convert to fraction form
    13,656,442.22/18,845,667.32 = 7,461,355.61/x
  3. Step 3: Cross multiply
    13,656,442.22x = 18,845,667.32 × 7,461,355.61
  4. Step 4: Simplify right side
    13,656,442.22x = 140,614,225,450,740.56
  5. Step 5: Solve for x
    x = 140,614,225,450,740.56/13,656,442.22
  6. Step 6: Final answer
    x = 10,296,548.93

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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.