Home / 9,378,677.15-12,942,574.47-5,086,325.15

Finding the Fourth Proportional to 9,378,677.15, 12,942,574.47 and 5,086,325.15

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Solution

The fourth proportional to 9,378,677.15, 12,942,574.47 and 5,086,325.15 is: 7,019,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,677.15 : 12,942,574.47 = 5,086,325.15 : x
  2. Step 2: Convert to fraction form
    9,378,677.15/12,942,574.47 = 5,086,325.15/x
  3. Step 3: Cross multiply
    9,378,677.15x = 12,942,574.47 × 5,086,325.15
  4. Step 4: Simplify right side
    9,378,677.15x = 65,830,142,091,577.87
  5. Step 5: Solve for x
    x = 65,830,142,091,577.87/9,378,677.15
  6. Step 6: Final answer
    x = 7,019,128.71

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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.