Home / 20,238,751.50-30,357,859.28-4,885,958.45

Finding the Fourth Proportional to 20,238,751.50, 30,357,859.28 and 4,885,958.45

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Solution

The fourth proportional to 20,238,751.50, 30,357,859.28 and 4,885,958.45 is: 7,328,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,751.50 : 30,357,859.28 = 4,885,958.45 : x
  2. Step 2: Convert to fraction form
    20,238,751.50/30,357,859.28 = 4,885,958.45/x
  3. Step 3: Cross multiply
    20,238,751.50x = 30,357,859.28 × 4,885,958.45
  4. Step 4: Simplify right side
    20,238,751.50x = 148,327,238,896,807.84
  5. Step 5: Solve for x
    x = 148,327,238,896,807.84/20,238,751.50
  6. Step 6: Final answer
    x = 7,328,872.97

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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.