Home / 12,899,922.98-19,349,879.20-4,703,179.05

Finding the Fourth Proportional to 12,899,922.98, 19,349,879.20 and 4,703,179.05

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Solution

The fourth proportional to 12,899,922.98, 19,349,879.20 and 4,703,179.05 is: 7,054,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,922.98 : 19,349,879.20 = 4,703,179.05 : x
  2. Step 2: Convert to fraction form
    12,899,922.98/19,349,879.20 = 4,703,179.05/x
  3. Step 3: Cross multiply
    12,899,922.98x = 19,349,879.20 × 4,703,179.05
  4. Step 4: Simplify right side
    12,899,922.98x = 91,005,946,461,712.81
  5. Step 5: Solve for x
    x = 91,005,946,461,712.81/12,899,922.98
  6. Step 6: Final answer
    x = 7,054,766.66

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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.