Home / 31,007,465.85-46,507,655.82-8,290,134.57

Finding the Fourth Proportional to 31,007,465.85, 46,507,655.82 and 8,290,134.57

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Solution

The fourth proportional to 31,007,465.85, 46,507,655.82 and 8,290,134.57 is: 12,434,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007,465.85 : 46,507,655.82 = 8,290,134.57 : x
  2. Step 2: Convert to fraction form
    31,007,465.85/46,507,655.82 = 8,290,134.57/x
  3. Step 3: Cross multiply
    31,007,465.85x = 46,507,655.82 × 8,290,134.57
  4. Step 4: Simplify right side
    31,007,465.85x = 385,554,725,488,535.38
  5. Step 5: Solve for x
    x = 385,554,725,488,535.38/31,007,465.85
  6. Step 6: Final answer
    x = 12,434,254.62

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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.