Home / 28,777,943.34-39,713,082.39-15,724,902.33

Finding the Fourth Proportional to 28,777,943.34, 39,713,082.39 and 15,724,902.33

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Solution

The fourth proportional to 28,777,943.34, 39,713,082.39 and 15,724,902.33 is: 21,700,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777,943.34 : 39,713,082.39 = 15,724,902.33 : x
  2. Step 2: Convert to fraction form
    28,777,943.34/39,713,082.39 = 15,724,902.33/x
  3. Step 3: Cross multiply
    28,777,943.34x = 39,713,082.39 × 15,724,902.33
  4. Step 4: Simplify right side
    28,777,943.34x = 624,484,341,805,993
  5. Step 5: Solve for x
    x = 624,484,341,805,993/28,777,943.34
  6. Step 6: Final answer
    x = 21,700,103.25

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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.