Home / 6,921,406.56-10,378,565.52-3,684,782.88

Finding the Fourth Proportional to 6,921,406.56, 10,378,565.52 and 3,684,782.88

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Solution

The fourth proportional to 6,921,406.56, 10,378,565.52 and 3,684,782.88 is: 5,525,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,406.56 : 10,378,565.52 = 3,684,782.88 : x
  2. Step 2: Convert to fraction form
    6,921,406.56/10,378,565.52 = 3,684,782.88/x
  3. Step 3: Cross multiply
    6,921,406.56x = 10,378,565.52 × 3,684,782.88
  4. Step 4: Simplify right side
    6,921,406.56x = 38,242,760,547,054.30
  5. Step 5: Solve for x
    x = 38,242,760,547,054.30/6,921,406.56
  6. Step 6: Final answer
    x = 5,525,287.41

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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.