Home / 7,161,357.02-9,882,798.78-3,898,265.54

Finding the Fourth Proportional to 7,161,357.02, 9,882,798.78 and 3,898,265.54

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Solution

The fourth proportional to 7,161,357.02, 9,882,798.78 and 3,898,265.54 is: 5,379,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,357.02 : 9,882,798.78 = 3,898,265.54 : x
  2. Step 2: Convert to fraction form
    7,161,357.02/9,882,798.78 = 3,898,265.54/x
  3. Step 3: Cross multiply
    7,161,357.02x = 9,882,798.78 × 3,898,265.54
  4. Step 4: Simplify right side
    7,161,357.02x = 38,525,773,922,828.04
  5. Step 5: Solve for x
    x = 38,525,773,922,828.04/7,161,357.02
  6. Step 6: Final answer
    x = 5,379,675.08

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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.