Home / 38,746,657.92-53,470,390.83-21,343,003.13

Finding the Fourth Proportional to 38,746,657.92, 53,470,390.83 and 21,343,003.13

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Solution

The fourth proportional to 38,746,657.92, 53,470,390.83 and 21,343,003.13 is: 29,453,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746,657.92 : 53,470,390.83 = 21,343,003.13 : x
  2. Step 2: Convert to fraction form
    38,746,657.92/53,470,390.83 = 21,343,003.13/x
  3. Step 3: Cross multiply
    38,746,657.92x = 53,470,390.83 × 21,343,003.13
  4. Step 4: Simplify right side
    38,746,657.92x = 1,141,218,718,740,298.25
  5. Step 5: Solve for x
    x = 1,141,218,718,740,298.25/38,746,657.92
  6. Step 6: Final answer
    x = 29,453,345.91

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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.