Home / 12,012,256.94-18,020,703.62-3,923,057.88

Finding the Fourth Proportional to 12,012,256.94, 18,020,703.62 and 3,923,057.88

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Solution

The fourth proportional to 12,012,256.94, 18,020,703.62 and 3,923,057.88 is: 5,885,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,256.94 : 18,020,703.62 = 3,923,057.88 : x
  2. Step 2: Convert to fraction form
    12,012,256.94/18,020,703.62 = 3,923,057.88/x
  3. Step 3: Cross multiply
    12,012,256.94x = 18,020,703.62 × 3,923,057.88
  4. Step 4: Simplify right side
    12,012,256.94x = 70,696,263,349,393.16
  5. Step 5: Solve for x
    x = 70,696,263,349,393.16/12,012,256.94
  6. Step 6: Final answer
    x = 5,885,343.92

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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.