Home / 14,351,179.58-21,536,856.77-12,979,065.33

Finding the Fourth Proportional to 14,351,179.58, 21,536,856.77 and 12,979,065.33

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Solution

The fourth proportional to 14,351,179.58, 21,536,856.77 and 12,979,065.33 is: 19,477,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,179.58 : 21,536,856.77 = 12,979,065.33 : x
  2. Step 2: Convert to fraction form
    14,351,179.58/21,536,856.77 = 12,979,065.33/x
  3. Step 3: Cross multiply
    14,351,179.58x = 21,536,856.77 × 12,979,065.33
  4. Step 4: Simplify right side
    14,351,179.58x = 279,528,271,020,682.78
  5. Step 5: Solve for x
    x = 279,528,271,020,682.78/14,351,179.58
  6. Step 6: Final answer
    x = 19,477,720.94

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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.