Home / 8,323,406.84-12,484,828.85-2,931,916.37

Finding the Fourth Proportional to 8,323,406.84, 12,484,828.85 and 2,931,916.37

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Solution

The fourth proportional to 8,323,406.84, 12,484,828.85 and 2,931,916.37 is: 4,397,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,406.84 : 12,484,828.85 = 2,931,916.37 : x
  2. Step 2: Convert to fraction form
    8,323,406.84/12,484,828.85 = 2,931,916.37/x
  3. Step 3: Cross multiply
    8,323,406.84x = 12,484,828.85 × 2,931,916.37
  4. Step 4: Simplify right side
    8,323,406.84x = 36,604,474,004,879.55
  5. Step 5: Solve for x
    x = 36,604,474,004,879.55/8,323,406.84
  6. Step 6: Final answer
    x = 4,397,775.42

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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.