Home / 38,763,137.29-53,494,270.50-21,360,603.51

Finding the Fourth Proportional to 38,763,137.29, 53,494,270.50 and 21,360,603.51

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Solution

The fourth proportional to 38,763,137.29, 53,494,270.50 and 21,360,603.51 is: 29,478,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,137.29 : 53,494,270.50 = 21,360,603.51 : x
  2. Step 2: Convert to fraction form
    38,763,137.29/53,494,270.50 = 21,360,603.51/x
  3. Step 3: Cross multiply
    38,763,137.29x = 53,494,270.50 × 21,360,603.51
  4. Step 4: Simplify right side
    38,763,137.29x = 1,142,669,902,207,189.50
  5. Step 5: Solve for x
    x = 1,142,669,902,207,189.50/38,763,137.29
  6. Step 6: Final answer
    x = 29,478,261.62

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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.