Home / 30,921,210.51-46,387,517.69-10,172,816.25

Finding the Fourth Proportional to 30,921,210.51, 46,387,517.69 and 10,172,816.25

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Solution

The fourth proportional to 30,921,210.51, 46,387,517.69 and 10,172,816.25 is: 15,261,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,210.51 : 46,387,517.69 = 10,172,816.25 : x
  2. Step 2: Convert to fraction form
    30,921,210.51/46,387,517.69 = 10,172,816.25/x
  3. Step 3: Cross multiply
    30,921,210.51x = 46,387,517.69 × 10,172,816.25
  4. Step 4: Simplify right side
    30,921,210.51x = 471,891,693,703,130.38
  5. Step 5: Solve for x
    x = 471,891,693,703,130.38/30,921,210.51
  6. Step 6: Final answer
    x = 15,261,100.26

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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.