Home / 12,979,155.90-19,455,004.74-4,888,631

Finding the Fourth Proportional to 12,979,155.90, 19,455,004.74 and 4,888,631

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Solution

The fourth proportional to 12,979,155.90, 19,455,004.74 and 4,888,631 is: 7,327,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,155.90 : 19,455,004.74 = 4,888,631 : x
  2. Step 2: Convert to fraction form
    12,979,155.90/19,455,004.74 = 4,888,631/x
  3. Step 3: Cross multiply
    12,979,155.90x = 19,455,004.74 × 4,888,631
  4. Step 4: Simplify right side
    12,979,155.90x = 95,108,339,277,110.94
  5. Step 5: Solve for x
    x = 95,108,339,277,110.94/12,979,155.90
  6. Step 6: Final answer
    x = 7,327,775.40

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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.