Home / 13,286,265.73-18,335,435.32-7,779,125.33

Finding the Fourth Proportional to 13,286,265.73, 18,335,435.32 and 7,779,125.33

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Solution

The fourth proportional to 13,286,265.73, 18,335,435.32 and 7,779,125.33 is: 10,735,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,265.73 : 18,335,435.32 = 7,779,125.33 : x
  2. Step 2: Convert to fraction form
    13,286,265.73/18,335,435.32 = 7,779,125.33/x
  3. Step 3: Cross multiply
    13,286,265.73x = 18,335,435.32 × 7,779,125.33
  4. Step 4: Simplify right side
    13,286,265.73x = 142,633,649,446,212.75
  5. Step 5: Solve for x
    x = 142,633,649,446,212.75/13,286,265.73
  6. Step 6: Final answer
    x = 10,735,420.50

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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.