Home / 38,701,575.67-53,396,148.85-21,953,557.01

Finding the Fourth Proportional to 38,701,575.67, 53,396,148.85 and 21,953,557.01

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Solution

The fourth proportional to 38,701,575.67, 53,396,148.85 and 21,953,557.01 is: 30,289,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,575.67 : 53,396,148.85 = 21,953,557.01 : x
  2. Step 2: Convert to fraction form
    38,701,575.67/53,396,148.85 = 21,953,557.01/x
  3. Step 3: Cross multiply
    38,701,575.67x = 53,396,148.85 × 21,953,557.01
  4. Step 4: Simplify right side
    38,701,575.67x = 1,172,235,397,516,172.25
  5. Step 5: Solve for x
    x = 1,172,235,397,516,172.25/38,701,575.67
  6. Step 6: Final answer
    x = 30,289,087.13

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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.