Home / 18,682,037.94-28,021,164.86-5,036,563.69

Finding the Fourth Proportional to 18,682,037.94, 28,021,164.86 and 5,036,563.69

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Solution

The fourth proportional to 18,682,037.94, 28,021,164.86 and 5,036,563.69 is: 7,554,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,037.94 : 28,021,164.86 = 5,036,563.69 : x
  2. Step 2: Convert to fraction form
    18,682,037.94/28,021,164.86 = 5,036,563.69/x
  3. Step 3: Cross multiply
    18,682,037.94x = 28,021,164.86 × 5,036,563.69
  4. Step 4: Simplify right side
    18,682,037.94x = 141,130,381,537,502.34
  5. Step 5: Solve for x
    x = 141,130,381,537,502.34/18,682,037.94
  6. Step 6: Final answer
    x = 7,554,335.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.