Home / 15,624,187.38-21,561,551.04-8,654,971.68

Finding the Fourth Proportional to 15,624,187.38, 21,561,551.04 and 8,654,971.68

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Solution

The fourth proportional to 15,624,187.38, 21,561,551.04 and 8,654,971.68 is: 11,943,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624,187.38 : 21,561,551.04 = 8,654,971.68 : x
  2. Step 2: Convert to fraction form
    15,624,187.38/21,561,551.04 = 8,654,971.68/x
  3. Step 3: Cross multiply
    15,624,187.38x = 21,561,551.04 × 8,654,971.68
  4. Step 4: Simplify right side
    15,624,187.38x = 186,614,613,628,074.53
  5. Step 5: Solve for x
    x = 186,614,613,628,074.53/15,624,187.38
  6. Step 6: Final answer
    x = 11,943,956.45

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Double scale
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1.5x scale

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.