Home / 12,384,807.50-18,569,852.68-4,709,013.64

Finding the Fourth Proportional to 12,384,807.50, 18,569,852.68 and 4,709,013.64

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Solution

The fourth proportional to 12,384,807.50, 18,569,852.68 and 4,709,013.64 is: 7,060,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,807.50 : 18,569,852.68 = 4,709,013.64 : x
  2. Step 2: Convert to fraction form
    12,384,807.50/18,569,852.68 = 4,709,013.64/x
  3. Step 3: Cross multiply
    12,384,807.50x = 18,569,852.68 × 4,709,013.64
  4. Step 4: Simplify right side
    12,384,807.50x = 87,445,689,562,910.55
  5. Step 5: Solve for x
    x = 87,445,689,562,910.55/12,384,807.50
  6. Step 6: Final answer
    x = 7,060,722.55

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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.