Home / 15,765,792.91-21,767,552.01-10,197,536.80

Finding the Fourth Proportional to 15,765,792.91, 21,767,552.01 and 10,197,536.80

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Solution

The fourth proportional to 15,765,792.91, 21,767,552.01 and 10,197,536.80 is: 14,079,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,792.91 : 21,767,552.01 = 10,197,536.80 : x
  2. Step 2: Convert to fraction form
    15,765,792.91/21,767,552.01 = 10,197,536.80/x
  3. Step 3: Cross multiply
    15,765,792.91x = 21,767,552.01 × 10,197,536.80
  4. Step 4: Simplify right side
    15,765,792.91x = 221,975,412,667,889
  5. Step 5: Solve for x
    x = 221,975,412,667,889/15,765,792.91
  6. Step 6: Final answer
    x = 14,079,559.08

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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.