Home / 7,318,112.40-10,098,985.21-4,055,138.47

Finding the Fourth Proportional to 7,318,112.40, 10,098,985.21 and 4,055,138.47

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Solution

The fourth proportional to 7,318,112.40, 10,098,985.21 and 4,055,138.47 is: 5,596,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,112.40 : 10,098,985.21 = 4,055,138.47 : x
  2. Step 2: Convert to fraction form
    7,318,112.40/10,098,985.21 = 4,055,138.47/x
  3. Step 3: Cross multiply
    7,318,112.40x = 10,098,985.21 × 4,055,138.47
  4. Step 4: Simplify right side
    7,318,112.40x = 40,952,783,382,537.10
  5. Step 5: Solve for x
    x = 40,952,783,382,537.10/7,318,112.40
  6. Step 6: Final answer
    x = 5,596,085.60

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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.