Home / 38,566,146.51-53,224,587.81-21,165,855.30

Finding the Fourth Proportional to 38,566,146.51, 53,224,587.81 and 21,165,855.30

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Solution

The fourth proportional to 38,566,146.51, 53,224,587.81 and 21,165,855.30 is: 29,210,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,146.51 : 53,224,587.81 = 21,165,855.30 : x
  2. Step 2: Convert to fraction form
    38,566,146.51/53,224,587.81 = 21,165,855.30/x
  3. Step 3: Cross multiply
    38,566,146.51x = 53,224,587.81 × 21,165,855.30
  4. Step 4: Simplify right side
    38,566,146.51x = 1,126,543,923,988,604
  5. Step 5: Solve for x
    x = 1,126,543,923,988,604/38,566,146.51
  6. Step 6: Final answer
    x = 29,210,694.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.