Home / 21,319,344.68-31,979,022.48-5,968,895.86

Finding the Fourth Proportional to 21,319,344.68, 31,979,022.48 and 5,968,895.86

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Solution

The fourth proportional to 21,319,344.68, 31,979,022.48 and 5,968,895.86 is: 8,953,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,344.68 : 31,979,022.48 = 5,968,895.86 : x
  2. Step 2: Convert to fraction form
    21,319,344.68/31,979,022.48 = 5,968,895.86/x
  3. Step 3: Cross multiply
    21,319,344.68x = 31,979,022.48 × 5,968,895.86
  4. Step 4: Simplify right side
    21,319,344.68x = 190,879,454,967,666.50
  5. Step 5: Solve for x
    x = 190,879,454,967,666.50/21,319,344.68
  6. Step 6: Final answer
    x = 8,953,345.32

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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.