Home / 13,322,564.10-18,385,193.70-7,210,992.60

Finding the Fourth Proportional to 13,322,564.10, 18,385,193.70 and 7,210,992.60

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Solution

The fourth proportional to 13,322,564.10, 18,385,193.70 and 7,210,992.60 is: 9,951,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,564.10 : 18,385,193.70 = 7,210,992.60 : x
  2. Step 2: Convert to fraction form
    13,322,564.10/18,385,193.70 = 7,210,992.60/x
  3. Step 3: Cross multiply
    13,322,564.10x = 18,385,193.70 × 7,210,992.60
  4. Step 4: Simplify right side
    13,322,564.10x = 132,575,495,720,266.61
  5. Step 5: Solve for x
    x = 132,575,495,720,266.61/13,322,564.10
  6. Step 6: Final answer
    x = 9,951,199.69

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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.