Home / 7,201,072.08-9,939,981.96-4,146,503.76

Finding the Fourth Proportional to 7,201,072.08, 9,939,981.96 and 4,146,503.76

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Solution

The fourth proportional to 7,201,072.08, 9,939,981.96 and 4,146,503.76 is: 5,723,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201,072.08 : 9,939,981.96 = 4,146,503.76 : x
  2. Step 2: Convert to fraction form
    7,201,072.08/9,939,981.96 = 4,146,503.76/x
  3. Step 3: Cross multiply
    7,201,072.08x = 9,939,981.96 × 4,146,503.76
  4. Step 4: Simplify right side
    7,201,072.08x = 41,216,172,571,472.17
  5. Step 5: Solve for x
    x = 41,216,172,571,472.17/7,201,072.08
  6. Step 6: Final answer
    x = 5,723,616.17

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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.