Home / 9,378,699.41-12,942,605.18-5,086,347.41

Finding the Fourth Proportional to 9,378,699.41, 12,942,605.18 and 5,086,347.41

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Solution

The fourth proportional to 9,378,699.41, 12,942,605.18 and 5,086,347.41 is: 7,019,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,699.41 : 12,942,605.18 = 5,086,347.41 : x
  2. Step 2: Convert to fraction form
    9,378,699.41/12,942,605.18 = 5,086,347.41/x
  3. Step 3: Cross multiply
    9,378,699.41x = 12,942,605.18 × 5,086,347.41
  4. Step 4: Simplify right side
    9,378,699.41x = 65,830,586,271,232.56
  5. Step 5: Solve for x
    x = 65,830,586,271,232.56/9,378,699.41
  6. Step 6: Final answer
    x = 7,019,159.42

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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.