Home / 39,159,786.01-54,041,404.76-21,519,785.28

Finding the Fourth Proportional to 39,159,786.01, 54,041,404.76 and 21,519,785.28

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Solution

The fourth proportional to 39,159,786.01, 54,041,404.76 and 21,519,785.28 is: 29,697,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159,786.01 : 54,041,404.76 = 21,519,785.28 : x
  2. Step 2: Convert to fraction form
    39,159,786.01/54,041,404.76 = 21,519,785.28/x
  3. Step 3: Cross multiply
    39,159,786.01x = 54,041,404.76 × 21,519,785.28
  4. Step 4: Simplify right side
    39,159,786.01x = 1,162,959,426,664,770
  5. Step 5: Solve for x
    x = 1,162,959,426,664,770/39,159,786.01
  6. Step 6: Final answer
    x = 29,697,798.31

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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.