Home / 13,248,002.70-19,872,004.05-13,164,021.90

Finding the Fourth Proportional to 13,248,002.70, 19,872,004.05 and 13,164,021.90

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Solution

The fourth proportional to 13,248,002.70, 19,872,004.05 and 13,164,021.90 is: 19,746,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,002.70 : 19,872,004.05 = 13,164,021.90 : x
  2. Step 2: Convert to fraction form
    13,248,002.70/19,872,004.05 = 13,164,021.90/x
  3. Step 3: Cross multiply
    13,248,002.70x = 19,872,004.05 × 13,164,021.90
  4. Step 4: Simplify right side
    13,248,002.70x = 261,595,496,511,088.72
  5. Step 5: Solve for x
    x = 261,595,496,511,088.72/13,248,002.70
  6. Step 6: Final answer
    x = 19,746,032.85

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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.