Home / 30,921,207.50-46,387,513.18-10,172,813.25

Finding the Fourth Proportional to 30,921,207.50, 46,387,513.18 and 10,172,813.25

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Solution

The fourth proportional to 30,921,207.50, 46,387,513.18 and 10,172,813.25 is: 15,261,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,207.50 : 46,387,513.18 = 10,172,813.25 : x
  2. Step 2: Convert to fraction form
    30,921,207.50/46,387,513.18 = 10,172,813.25/x
  3. Step 3: Cross multiply
    30,921,207.50x = 46,387,513.18 × 10,172,813.25
  4. Step 4: Simplify right side
    30,921,207.50x = 471,891,508,898,722.81
  5. Step 5: Solve for x
    x = 471,891,508,898,722.81/30,921,207.50
  6. Step 6: Final answer
    x = 15,261,095.77

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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.