Home / 7,731,285.31-10,668,881.44-4,293,747.78

Finding the Fourth Proportional to 7,731,285.31, 10,668,881.44 and 4,293,747.78

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Solution

The fourth proportional to 7,731,285.31, 10,668,881.44 and 4,293,747.78 is: 5,925,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731,285.31 : 10,668,881.44 = 4,293,747.78 : x
  2. Step 2: Convert to fraction form
    7,731,285.31/10,668,881.44 = 4,293,747.78/x
  3. Step 3: Cross multiply
    7,731,285.31x = 10,668,881.44 × 4,293,747.78
  4. Step 4: Simplify right side
    7,731,285.31x = 45,809,485,985,926.12
  5. Step 5: Solve for x
    x = 45,809,485,985,926.12/7,731,285.31
  6. Step 6: Final answer
    x = 5,925,209.60

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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.