Home / 20,934,048.30-31,403,146.05-7,285,094.70

Finding the Fourth Proportional to 20,934,048.30, 31,403,146.05 and 7,285,094.70

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Solution

The fourth proportional to 20,934,048.30, 31,403,146.05 and 7,285,094.70 is: 10,928,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,048.30 : 31,403,146.05 = 7,285,094.70 : x
  2. Step 2: Convert to fraction form
    20,934,048.30/31,403,146.05 = 7,285,094.70/x
  3. Step 3: Cross multiply
    20,934,048.30x = 31,403,146.05 × 7,285,094.70
  4. Step 4: Simplify right side
    20,934,048.30x = 228,774,892,852,180.94
  5. Step 5: Solve for x
    x = 228,774,892,852,180.94/20,934,048.30
  6. Step 6: Final answer
    x = 10,928,363.67

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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.