Home / 12,618,690.60-17,393,393.04-9,860,585.64

Finding the Fourth Proportional to 12,618,690.60, 17,393,393.04 and 9,860,585.64

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Solution

The fourth proportional to 12,618,690.60, 17,393,393.04 and 9,860,585.64 is: 13,591,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,690.60 : 17,393,393.04 = 9,860,585.64 : x
  2. Step 2: Convert to fraction form
    12,618,690.60/17,393,393.04 = 9,860,585.64/x
  3. Step 3: Cross multiply
    12,618,690.60x = 17,393,393.04 × 9,860,585.64
  4. Step 4: Simplify right side
    12,618,690.60x = 171,509,041,641,099.94
  5. Step 5: Solve for x
    x = 171,509,041,641,099.94/12,618,690.60
  6. Step 6: Final answer
    x = 13,591,667.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.