Home / 20,499,126.76-28,293,119.94-17,058,013.48

Finding the Fourth Proportional to 20,499,126.76, 28,293,119.94 and 17,058,013.48

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Solution

The fourth proportional to 20,499,126.76, 28,293,119.94 and 17,058,013.48 is: 23,543,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,499,126.76 : 28,293,119.94 = 17,058,013.48 : x
  2. Step 2: Convert to fraction form
    20,499,126.76/28,293,119.94 = 17,058,013.48/x
  3. Step 3: Cross multiply
    20,499,126.76x = 28,293,119.94 × 17,058,013.48
  4. Step 4: Simplify right side
    20,499,126.76x = 482,624,421,327,776.81
  5. Step 5: Solve for x
    x = 482,624,421,327,776.81/20,499,126.76
  6. Step 6: Final answer
    x = 23,543,657.59

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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.