Home / 15,345,517.08-21,173,652.42-8,817,885.48

Finding the Fourth Proportional to 15,345,517.08, 21,173,652.42 and 8,817,885.48

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Solution

The fourth proportional to 15,345,517.08, 21,173,652.42 and 8,817,885.48 is: 12,166,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,517.08 : 21,173,652.42 = 8,817,885.48 : x
  2. Step 2: Convert to fraction form
    15,345,517.08/21,173,652.42 = 8,817,885.48/x
  3. Step 3: Cross multiply
    15,345,517.08x = 21,173,652.42 × 8,817,885.48
  4. Step 4: Simplify right side
    15,345,517.08x = 186,706,842,232,884.88
  5. Step 5: Solve for x
    x = 186,706,842,232,884.88/15,345,517.08
  6. Step 6: Final answer
    x = 12,166,865.49

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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.