Home / 14,605,881.72-20,154,360.74-8,412,942.54

Finding the Fourth Proportional to 14,605,881.72, 20,154,360.74 and 8,412,942.54

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Solution

The fourth proportional to 14,605,881.72, 20,154,360.74 and 8,412,942.54 is: 11,608,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605,881.72 : 20,154,360.74 = 8,412,942.54 : x
  2. Step 2: Convert to fraction form
    14,605,881.72/20,154,360.74 = 8,412,942.54/x
  3. Step 3: Cross multiply
    14,605,881.72x = 20,154,360.74 × 8,412,942.54
  4. Step 4: Simplify right side
    14,605,881.72x = 169,557,478,836,051.84
  5. Step 5: Solve for x
    x = 169,557,478,836,051.84/14,605,881.72
  6. Step 6: Final answer
    x = 11,608,849.24

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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.