Home / 15,178,549.94-20,946,895.37-8,652,060.82

Finding the Fourth Proportional to 15,178,549.94, 20,946,895.37 and 8,652,060.82

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Solution

The fourth proportional to 15,178,549.94, 20,946,895.37 and 8,652,060.82 is: 11,940,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,549.94 : 20,946,895.37 = 8,652,060.82 : x
  2. Step 2: Convert to fraction form
    15,178,549.94/20,946,895.37 = 8,652,060.82/x
  3. Step 3: Cross multiply
    15,178,549.94x = 20,946,895.37 × 8,652,060.82
  4. Step 4: Simplify right side
    15,178,549.94x = 181,233,812,731,416.41
  5. Step 5: Solve for x
    x = 181,233,812,731,416.41/15,178,549.94
  6. Step 6: Final answer
    x = 11,940,126.92

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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.