Home / 30,921,208.63-46,387,514.87-10,172,814.38

Finding the Fourth Proportional to 30,921,208.63, 46,387,514.87 and 10,172,814.38

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Solution

The fourth proportional to 30,921,208.63, 46,387,514.87 and 10,172,814.38 is: 15,261,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,208.63 : 46,387,514.87 = 10,172,814.38 : x
  2. Step 2: Convert to fraction form
    30,921,208.63/46,387,514.87 = 10,172,814.38/x
  3. Step 3: Cross multiply
    30,921,208.63x = 46,387,514.87 × 10,172,814.38
  4. Step 4: Simplify right side
    30,921,208.63x = 471,891,578,251,299.44
  5. Step 5: Solve for x
    x = 471,891,578,251,299.44/30,921,208.63
  6. Step 6: Final answer
    x = 15,261,097.45

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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.