Home / 17,720,240.95-26,581,205.72-8,611,486.39

Finding the Fourth Proportional to 17,720,240.95, 26,581,205.72 and 8,611,486.39

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Solution

The fourth proportional to 17,720,240.95, 26,581,205.72 and 8,611,486.39 is: 12,917,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720,240.95 : 26,581,205.72 = 8,611,486.39 : x
  2. Step 2: Convert to fraction form
    17,720,240.95/26,581,205.72 = 8,611,486.39/x
  3. Step 3: Cross multiply
    17,720,240.95x = 26,581,205.72 × 8,611,486.39
  4. Step 4: Simplify right side
    17,720,240.95x = 228,903,691,287,570.16
  5. Step 5: Solve for x
    x = 228,903,691,287,570.16/17,720,240.95
  6. Step 6: Final answer
    x = 12,917,639.89

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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.