Home / 7,161,421.08-9,882,887.16-3,898,329.60

Finding the Fourth Proportional to 7,161,421.08, 9,882,887.16 and 3,898,329.60

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Solution

The fourth proportional to 7,161,421.08, 9,882,887.16 and 3,898,329.60 is: 5,379,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,421.08 : 9,882,887.16 = 3,898,329.60 : x
  2. Step 2: Convert to fraction form
    7,161,421.08/9,882,887.16 = 3,898,329.60/x
  3. Step 3: Cross multiply
    7,161,421.08x = 9,882,887.16 × 3,898,329.60
  4. Step 4: Simplify right side
    7,161,421.08x = 38,526,751,549,287.94
  5. Step 5: Solve for x
    x = 38,526,751,549,287.94/7,161,421.08
  6. Step 6: Final answer
    x = 5,379,763.47

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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.