Home / 21,319,350-31,979,030.46-5,968,901.18

Finding the Fourth Proportional to 21,319,350, 31,979,030.46 and 5,968,901.18

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Solution

The fourth proportional to 21,319,350, 31,979,030.46 and 5,968,901.18 is: 8,953,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,350 : 31,979,030.46 = 5,968,901.18 : x
  2. Step 2: Convert to fraction form
    21,319,350/31,979,030.46 = 5,968,901.18/x
  3. Step 3: Cross multiply
    21,319,350x = 31,979,030.46 × 5,968,901.18
  4. Step 4: Simplify right side
    21,319,350x = 190,879,672,647,949.94
  5. Step 5: Solve for x
    x = 190,879,672,647,949.94/21,319,350
  6. Step 6: Final answer
    x = 8,953,353.30

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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.