Home / 8,142,006.60-12,212,135.10-2,158,374.60

Finding the Fourth Proportional to 8,142,006.60, 12,212,135.10 and 2,158,374.60

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Solution

The fourth proportional to 8,142,006.60, 12,212,135.10 and 2,158,374.60 is: 3,237,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,006.60 : 12,212,135.10 = 2,158,374.60 : x
  2. Step 2: Convert to fraction form
    8,142,006.60/12,212,135.10 = 2,158,374.60/x
  3. Step 3: Cross multiply
    8,142,006.60x = 12,212,135.10 × 2,158,374.60
  4. Step 4: Simplify right side
    8,142,006.60x = 26,358,362,211,608.46
  5. Step 5: Solve for x
    x = 26,358,362,211,608.46/8,142,006.60
  6. Step 6: Final answer
    x = 3,237,330.00

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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.