Home / 7,162,999.16-9,884,940.32-3,899,814.13

Finding the Fourth Proportional to 7,162,999.16, 9,884,940.32 and 3,899,814.13

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Solution

The fourth proportional to 7,162,999.16, 9,884,940.32 and 3,899,814.13 is: 5,381,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,999.16 : 9,884,940.32 = 3,899,814.13 : x
  2. Step 2: Convert to fraction form
    7,162,999.16/9,884,940.32 = 3,899,814.13/x
  3. Step 3: Cross multiply
    7,162,999.16x = 9,884,940.32 × 3,899,814.13
  4. Step 4: Simplify right side
    7,162,999.16x = 38,549,429,865,218.95
  5. Step 5: Solve for x
    x = 38,549,429,865,218.95/7,162,999.16
  6. Step 6: Final answer
    x = 5,381,744.30

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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.