Home / 39,026,446.47-53,855,795.57-21,622,442.76

Finding the Fourth Proportional to 39,026,446.47, 53,855,795.57 and 21,622,442.76

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Solution

The fourth proportional to 39,026,446.47, 53,855,795.57 and 21,622,442.76 is: 29,838,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026,446.47 : 53,855,795.57 = 21,622,442.76 : x
  2. Step 2: Convert to fraction form
    39,026,446.47/53,855,795.57 = 21,622,442.76/x
  3. Step 3: Cross multiply
    39,026,446.47x = 53,855,795.57 × 21,622,442.76
  4. Step 4: Simplify right side
    39,026,446.47x = 1,164,493,856,898,474.50
  5. Step 5: Solve for x
    x = 1,164,493,856,898,474.50/39,026,446.47
  6. Step 6: Final answer
    x = 29,838,582.86

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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.