Home / 14,501,055.28-20,010,998.16-7,974,664.56

Finding the Fourth Proportional to 14,501,055.28, 20,010,998.16 and 7,974,664.56

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Solution

The fourth proportional to 14,501,055.28, 20,010,998.16 and 7,974,664.56 is: 11,004,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,055.28 : 20,010,998.16 = 7,974,664.56 : x
  2. Step 2: Convert to fraction form
    14,501,055.28/20,010,998.16 = 7,974,664.56/x
  3. Step 3: Cross multiply
    14,501,055.28x = 20,010,998.16 × 7,974,664.56
  4. Step 4: Simplify right side
    14,501,055.28x = 159,580,997,836,777.19
  5. Step 5: Solve for x
    x = 159,580,997,836,777.19/14,501,055.28
  6. Step 6: Final answer
    x = 11,004,785.15

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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.