Home / 12,290,656.14-16,958,573.60-7,062,654.50

Finding the Fourth Proportional to 12,290,656.14, 16,958,573.60 and 7,062,654.50

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Solution

The fourth proportional to 12,290,656.14, 16,958,573.60 and 7,062,654.50 is: 9,745,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,656.14 : 16,958,573.60 = 7,062,654.50 : x
  2. Step 2: Convert to fraction form
    12,290,656.14/16,958,573.60 = 7,062,654.50/x
  3. Step 3: Cross multiply
    12,290,656.14x = 16,958,573.60 × 7,062,654.50
  4. Step 4: Simplify right side
    12,290,656.14x = 119,772,546,149,621.20
  5. Step 5: Solve for x
    x = 119,772,546,149,621.20/12,290,656.14
  6. Step 6: Final answer
    x = 9,745,008.30

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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.