Home / 17,551,416.40-26,327,124.60-7,985,478.40

Finding the Fourth Proportional to 17,551,416.40, 26,327,124.60 and 7,985,478.40

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Solution

The fourth proportional to 17,551,416.40, 26,327,124.60 and 7,985,478.40 is: 11,978,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551,416.40 : 26,327,124.60 = 7,985,478.40 : x
  2. Step 2: Convert to fraction form
    17,551,416.40/26,327,124.60 = 7,985,478.40/x
  3. Step 3: Cross multiply
    17,551,416.40x = 26,327,124.60 × 7,985,478.40
  4. Step 4: Simplify right side
    17,551,416.40x = 210,234,684,827,408.66
  5. Step 5: Solve for x
    x = 210,234,684,827,408.66/17,551,416.40
  6. Step 6: Final answer
    x = 11,978,217.60

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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.