Home / 19,226,106.54-28,819,229.85-12,021,095.22

Finding the Fourth Proportional to 19,226,106.54, 28,819,229.85 and 12,021,095.22

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Solution

The fourth proportional to 19,226,106.54, 28,819,229.85 and 12,021,095.22 is: 18,019,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226,106.54 : 28,819,229.85 = 12,021,095.22 : x
  2. Step 2: Convert to fraction form
    19,226,106.54/28,819,229.85 = 12,021,095.22/x
  3. Step 3: Cross multiply
    19,226,106.54x = 28,819,229.85 × 12,021,095.22
  4. Step 4: Simplify right side
    19,226,106.54x = 346,438,706,193,916.38
  5. Step 5: Solve for x
    x = 346,438,706,193,916.38/19,226,106.54
  6. Step 6: Final answer
    x = 18,019,181.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.