Home / 7,146,893.81-10,719,454.16-4,230,721.89

Finding the Fourth Proportional to 7,146,893.81, 10,719,454.16 and 4,230,721.89

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Solution

The fourth proportional to 7,146,893.81, 10,719,454.16 and 4,230,721.89 is: 6,345,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,893.81 : 10,719,454.16 = 4,230,721.89 : x
  2. Step 2: Convert to fraction form
    7,146,893.81/10,719,454.16 = 4,230,721.89/x
  3. Step 3: Cross multiply
    7,146,893.81x = 10,719,454.16 × 4,230,721.89
  4. Step 4: Simplify right side
    7,146,893.81x = 45,351,029,342,409.95
  5. Step 5: Solve for x
    x = 45,351,029,342,409.95/7,146,893.81
  6. Step 6: Final answer
    x = 6,345,558.03

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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.