Home / 20,064,141.47-27,690,222.85-11,363,861.81

Finding the Fourth Proportional to 20,064,141.47, 27,690,222.85 and 11,363,861.81

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Solution

The fourth proportional to 20,064,141.47, 27,690,222.85 and 11,363,861.81 is: 15,683,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,141.47 : 27,690,222.85 = 11,363,861.81 : x
  2. Step 2: Convert to fraction form
    20,064,141.47/27,690,222.85 = 11,363,861.81/x
  3. Step 3: Cross multiply
    20,064,141.47x = 27,690,222.85 × 11,363,861.81
  4. Step 4: Simplify right side
    20,064,141.47x = 314,667,865,996,320.25
  5. Step 5: Solve for x
    x = 314,667,865,996,320.25/20,064,141.47
  6. Step 6: Final answer
    x = 15,683,096.45

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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.