Home / 30,859,667.64-46,286,253.90-12,665,786.76

Finding the Fourth Proportional to 30,859,667.64, 46,286,253.90 and 12,665,786.76

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Solution

The fourth proportional to 30,859,667.64, 46,286,253.90 and 12,665,786.76 is: 18,997,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859,667.64 : 46,286,253.90 = 12,665,786.76 : x
  2. Step 2: Convert to fraction form
    30,859,667.64/46,286,253.90 = 12,665,786.76/x
  3. Step 3: Cross multiply
    30,859,667.64x = 46,286,253.90 × 12,665,786.76
  4. Step 4: Simplify right side
    30,859,667.64x = 586,251,821,816,618.38
  5. Step 5: Solve for x
    x = 586,251,821,816,618.38/30,859,667.64
  6. Step 6: Final answer
    x = 18,997,347.24

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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.