Home / 25,857,885.13-38,775,155.09-7,409,610.31

Finding the Fourth Proportional to 25,857,885.13, 38,775,155.09 and 7,409,610.31

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Solution

The fourth proportional to 25,857,885.13, 38,775,155.09 and 7,409,610.31 is: 11,111,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,885.13 : 38,775,155.09 = 7,409,610.31 : x
  2. Step 2: Convert to fraction form
    25,857,885.13/38,775,155.09 = 7,409,610.31/x
  3. Step 3: Cross multiply
    25,857,885.13x = 38,775,155.09 × 7,409,610.31
  4. Step 4: Simplify right side
    25,857,885.13x = 287,308,788,889,664.94
  5. Step 5: Solve for x
    x = 287,308,788,889,664.94/25,857,885.13
  6. Step 6: Final answer
    x = 11,111,070.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.