Home / 30,921,231.40-46,387,549.01-10,172,837.14

Finding the Fourth Proportional to 30,921,231.40, 46,387,549.01 and 10,172,837.14

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Solution

The fourth proportional to 30,921,231.40, 46,387,549.01 and 10,172,837.14 is: 15,261,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,231.40 : 46,387,549.01 = 10,172,837.14 : x
  2. Step 2: Convert to fraction form
    30,921,231.40/46,387,549.01 = 10,172,837.14/x
  3. Step 3: Cross multiply
    30,921,231.40x = 46,387,549.01 × 10,172,837.14
  4. Step 4: Simplify right side
    30,921,231.40x = 471,892,981,402,498.25
  5. Step 5: Solve for x
    x = 471,892,981,402,498.25/30,921,231.40
  6. Step 6: Final answer
    x = 15,261,131.59

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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.