Home / 25,857,884.12-38,775,153.59-7,409,609.31

Finding the Fourth Proportional to 25,857,884.12, 38,775,153.59 and 7,409,609.31

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Solution

The fourth proportional to 25,857,884.12, 38,775,153.59 and 7,409,609.31 is: 11,111,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,884.12 : 38,775,153.59 = 7,409,609.31 : x
  2. Step 2: Convert to fraction form
    25,857,884.12/38,775,153.59 = 7,409,609.31/x
  3. Step 3: Cross multiply
    25,857,884.12x = 38,775,153.59 × 7,409,609.31
  4. Step 4: Simplify right side
    25,857,884.12x = 287,308,738,944,753.19
  5. Step 5: Solve for x
    x = 287,308,738,944,753.19/25,857,884.12
  6. Step 6: Final answer
    x = 11,111,069.16

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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.