Home / 38,746,859.68-53,470,415.82-21,342,801.16

Finding the Fourth Proportional to 38,746,859.68, 53,470,415.82 and 21,342,801.16

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Solution

The fourth proportional to 38,746,859.68, 53,470,415.82 and 21,342,801.16 is: 29,452,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746,859.68 : 53,470,415.82 = 21,342,801.16 : x
  2. Step 2: Convert to fraction form
    38,746,859.68/53,470,415.82 = 21,342,801.16/x
  3. Step 3: Cross multiply
    38,746,859.68x = 53,470,415.82 × 21,342,801.16
  4. Step 4: Simplify right side
    38,746,859.68x = 1,141,208,452,788,778.25
  5. Step 5: Solve for x
    x = 1,141,208,452,788,778.25/38,746,859.68
  6. Step 6: Final answer
    x = 29,452,927.60

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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.