Home / 34,778,849.81-47,992,939.22-19,307,938.55

Finding the Fourth Proportional to 34,778,849.81, 47,992,939.22 and 19,307,938.55

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Solution

The fourth proportional to 34,778,849.81, 47,992,939.22 and 19,307,938.55 is: 26,643,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,849.81 : 47,992,939.22 = 19,307,938.55 : x
  2. Step 2: Convert to fraction form
    34,778,849.81/47,992,939.22 = 19,307,938.55/x
  3. Step 3: Cross multiply
    34,778,849.81x = 47,992,939.22 × 19,307,938.55
  4. Step 4: Simplify right side
    34,778,849.81x = 926,644,721,197,105.38
  5. Step 5: Solve for x
    x = 926,644,721,197,105.38/34,778,849.81
  6. Step 6: Final answer
    x = 26,643,915.09

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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.