Home / 25,678,986.64-35,433,218.79-15,615,352.09

Finding the Fourth Proportional to 25,678,986.64, 35,433,218.79 and 15,615,352.09

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Solution

The fourth proportional to 25,678,986.64, 35,433,218.79 and 15,615,352.09 is: 21,546,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678,986.64 : 35,433,218.79 = 15,615,352.09 : x
  2. Step 2: Convert to fraction form
    25,678,986.64/35,433,218.79 = 15,615,352.09/x
  3. Step 3: Cross multiply
    25,678,986.64x = 35,433,218.79 × 15,615,352.09
  4. Step 4: Simplify right side
    25,678,986.64x = 553,302,187,087,853.75
  5. Step 5: Solve for x
    x = 553,302,187,087,853.75/25,678,986.64
  6. Step 6: Final answer
    x = 21,546,885.59

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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.