Home / 9,720,288.55-13,414,405.45-5,590,322.49

Finding the Fourth Proportional to 9,720,288.55, 13,414,405.45 and 5,590,322.49

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Solution

The fourth proportional to 9,720,288.55, 13,414,405.45 and 5,590,322.49 is: 7,714,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,288.55 : 13,414,405.45 = 5,590,322.49 : x
  2. Step 2: Convert to fraction form
    9,720,288.55/13,414,405.45 = 5,590,322.49/x
  3. Step 3: Cross multiply
    9,720,288.55x = 13,414,405.45 × 5,590,322.49
  4. Step 4: Simplify right side
    9,720,288.55x = 74,990,852,429,601.75
  5. Step 5: Solve for x
    x = 74,990,852,429,601.75/9,720,288.55
  6. Step 6: Final answer
    x = 7,714,879.25

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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.