Home / 21,319,346.50-31,979,025.20-5,968,897.67

Finding the Fourth Proportional to 21,319,346.50, 31,979,025.20 and 5,968,897.67

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Solution

The fourth proportional to 21,319,346.50, 31,979,025.20 and 5,968,897.67 is: 8,953,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,346.50 : 31,979,025.20 = 5,968,897.67 : x
  2. Step 2: Convert to fraction form
    21,319,346.50/31,979,025.20 = 5,968,897.67/x
  3. Step 3: Cross multiply
    21,319,346.50x = 31,979,025.20 × 5,968,897.67
  4. Step 4: Simplify right side
    21,319,346.50x = 190,879,529,005,151.28
  5. Step 5: Solve for x
    x = 190,879,529,005,151.28/21,319,346.50
  6. Step 6: Final answer
    x = 8,953,348.03

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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.