Home / 7,656,650.70-10,566,648.63-4,218,890.82

Finding the Fourth Proportional to 7,656,650.70, 10,566,648.63 and 4,218,890.82

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Solution

The fourth proportional to 7,656,650.70, 10,566,648.63 and 4,218,890.82 is: 5,822,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,650.70 : 10,566,648.63 = 4,218,890.82 : x
  2. Step 2: Convert to fraction form
    7,656,650.70/10,566,648.63 = 4,218,890.82/x
  3. Step 3: Cross multiply
    7,656,650.70x = 10,566,648.63 × 4,218,890.82
  4. Step 4: Simplify right side
    7,656,650.70x = 44,579,536,903,272.59
  5. Step 5: Solve for x
    x = 44,579,536,903,272.59/7,656,650.70
  6. Step 6: Final answer
    x = 5,822,328.67

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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.