Home / 12,215,916.60-18,319,805.91-4,927,493.94

Finding the Fourth Proportional to 12,215,916.60, 18,319,805.91 and 4,927,493.94

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Solution

The fourth proportional to 12,215,916.60, 18,319,805.91 and 4,927,493.94 is: 7,389,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,916.60 : 18,319,805.91 = 4,927,493.94 : x
  2. Step 2: Convert to fraction form
    12,215,916.60/18,319,805.91 = 4,927,493.94/x
  3. Step 3: Cross multiply
    12,215,916.60x = 18,319,805.91 × 4,927,493.94
  4. Step 4: Simplify right side
    12,215,916.60x = 90,270,732,603,501.19
  5. Step 5: Solve for x
    x = 90,270,732,603,501.19/12,215,916.60
  6. Step 6: Final answer
    x = 7,389,599.61

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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.