Home / 38,746,658.92-53,470,392.21-21,343,004.13

Finding the Fourth Proportional to 38,746,658.92, 53,470,392.21 and 21,343,004.13

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Solution

The fourth proportional to 38,746,658.92, 53,470,392.21 and 21,343,004.13 is: 29,453,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746,658.92 : 53,470,392.21 = 21,343,004.13 : x
  2. Step 2: Convert to fraction form
    38,746,658.92/53,470,392.21 = 21,343,004.13/x
  3. Step 3: Cross multiply
    38,746,658.92x = 53,470,392.21 × 21,343,004.13
  4. Step 4: Simplify right side
    38,746,658.92x = 1,141,218,801,770,749.75
  5. Step 5: Solve for x
    x = 1,141,218,801,770,749.75/38,746,658.92
  6. Step 6: Final answer
    x = 29,453,347.30

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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.