Home / 28,990,153.32-43,485,238.07-8,519,871.79

Finding the Fourth Proportional to 28,990,153.32, 43,485,238.07 and 8,519,871.79

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Solution

The fourth proportional to 28,990,153.32, 43,485,238.07 and 8,519,871.79 is: 12,779,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,153.32 : 43,485,238.07 = 8,519,871.79 : x
  2. Step 2: Convert to fraction form
    28,990,153.32/43,485,238.07 = 8,519,871.79/x
  3. Step 3: Cross multiply
    28,990,153.32x = 43,485,238.07 × 8,519,871.79
  4. Step 4: Simplify right side
    28,990,153.32x = 370,488,653,114,027
  5. Step 5: Solve for x
    x = 370,488,653,114,027/28,990,153.32
  6. Step 6: Final answer
    x = 12,779,810.06

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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.