Home / 21,319,345.50-31,979,023.70-5,968,896.67

Finding the Fourth Proportional to 21,319,345.50, 31,979,023.70 and 5,968,896.67

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Solution

The fourth proportional to 21,319,345.50, 31,979,023.70 and 5,968,896.67 is: 8,953,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,345.50 : 31,979,023.70 = 5,968,896.67 : x
  2. Step 2: Convert to fraction form
    21,319,345.50/31,979,023.70 = 5,968,896.67/x
  3. Step 3: Cross multiply
    21,319,345.50x = 31,979,023.70 × 5,968,896.67
  4. Step 4: Simplify right side
    21,319,345.50x = 190,879,488,072,781.06
  5. Step 5: Solve for x
    x = 190,879,488,072,781.06/21,319,345.50
  6. Step 6: Final answer
    x = 8,953,346.53

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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.