Home / 25,710,290.38-38,538,321.63-8,433,981.82

Finding the Fourth Proportional to 25,710,290.38, 38,538,321.63 and 8,433,981.82

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Solution

The fourth proportional to 25,710,290.38, 38,538,321.63 and 8,433,981.82 is: 12,642,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710,290.38 : 38,538,321.63 = 8,433,981.82 : x
  2. Step 2: Convert to fraction form
    25,710,290.38/38,538,321.63 = 8,433,981.82/x
  3. Step 3: Cross multiply
    25,710,290.38x = 38,538,321.63 × 8,433,981.82
  4. Step 4: Simplify right side
    25,710,290.38x = 325,031,504,000,732.81
  5. Step 5: Solve for x
    x = 325,031,504,000,732.81/25,710,290.38
  6. Step 6: Final answer
    x = 12,642,078.30

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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.