Home / 20,959,495.45-31,430,619.11-8,010,428.83

Finding the Fourth Proportional to 20,959,495.45, 31,430,619.11 and 8,010,428.83

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Solution

The fourth proportional to 20,959,495.45, 31,430,619.11 and 8,010,428.83 is: 12,012,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,495.45 : 31,430,619.11 = 8,010,428.83 : x
  2. Step 2: Convert to fraction form
    20,959,495.45/31,430,619.11 = 8,010,428.83/x
  3. Step 3: Cross multiply
    20,959,495.45x = 31,430,619.11 × 8,010,428.83
  4. Step 4: Simplify right side
    20,959,495.45x = 251,772,737,423,440.81
  5. Step 5: Solve for x
    x = 251,772,737,423,440.81/20,959,495.45
  6. Step 6: Final answer
    x = 12,012,347.24

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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.