Home / 25,710,289.38-38,538,320.13-8,433,980.82

Finding the Fourth Proportional to 25,710,289.38, 38,538,320.13 and 8,433,980.82

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Solution

The fourth proportional to 25,710,289.38, 38,538,320.13 and 8,433,980.82 is: 12,642,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710,289.38 : 38,538,320.13 = 8,433,980.82 : x
  2. Step 2: Convert to fraction form
    25,710,289.38/38,538,320.13 = 8,433,980.82/x
  3. Step 3: Cross multiply
    25,710,289.38x = 38,538,320.13 × 8,433,980.82
  4. Step 4: Simplify right side
    25,710,289.38x = 325,031,452,811,439.94
  5. Step 5: Solve for x
    x = 325,031,452,811,439.94/25,710,289.38
  6. Step 6: Final answer
    x = 12,642,076.80

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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.