Home / 7,120,750.34-10,663,410.78-4,980,814.58

Finding the Fourth Proportional to 7,120,750.34, 10,663,410.78 and 4,980,814.58

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Solution

The fourth proportional to 7,120,750.34, 10,663,410.78 and 4,980,814.58 is: 7,458,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,750.34 : 10,663,410.78 = 4,980,814.58 : x
  2. Step 2: Convert to fraction form
    7,120,750.34/10,663,410.78 = 4,980,814.58/x
  3. Step 3: Cross multiply
    7,120,750.34x = 10,663,410.78 × 4,980,814.58
  4. Step 4: Simplify right side
    7,120,750.34x = 53,112,471,885,553.17
  5. Step 5: Solve for x
    x = 53,112,471,885,553.17/7,120,750.34
  6. Step 6: Final answer
    x = 7,458,830.79

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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.