Home / 12,947,622.60-19,405,881.90-5,370,688.20

Finding the Fourth Proportional to 12,947,622.60, 19,405,881.90 and 5,370,688.20

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Solution

The fourth proportional to 12,947,622.60, 19,405,881.90 and 5,370,688.20 is: 8,049,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,622.60 : 19,405,881.90 = 5,370,688.20 : x
  2. Step 2: Convert to fraction form
    12,947,622.60/19,405,881.90 = 5,370,688.20/x
  3. Step 3: Cross multiply
    12,947,622.60x = 19,405,881.90 × 5,370,688.20
  4. Step 4: Simplify right side
    12,947,622.60x = 104,222,940,930,923.58
  5. Step 5: Solve for x
    x = 104,222,940,930,923.58/12,947,622.60
  6. Step 6: Final answer
    x = 8,049,581.31

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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.