Home / 38,411,806.24-53,007,547.68-21,008,097.60

Finding the Fourth Proportional to 38,411,806.24, 53,007,547.68 and 21,008,097.60

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Solution

The fourth proportional to 38,411,806.24, 53,007,547.68 and 21,008,097.60 is: 28,990,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411,806.24 : 53,007,547.68 = 21,008,097.60 : x
  2. Step 2: Convert to fraction form
    38,411,806.24/53,007,547.68 = 21,008,097.60/x
  3. Step 3: Cross multiply
    38,411,806.24x = 53,007,547.68 × 21,008,097.60
  4. Step 4: Simplify right side
    38,411,806.24x = 1,113,587,735,198,093.62
  5. Step 5: Solve for x
    x = 1,113,587,735,198,093.62/38,411,806.24
  6. Step 6: Final answer
    x = 28,990,767.27

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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.