Home / 12,705,599.22-19,061,956.35-5,137,879.38

Finding the Fourth Proportional to 12,705,599.22, 19,061,956.35 and 5,137,879.38

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Solution

The fourth proportional to 12,705,599.22, 19,061,956.35 and 5,137,879.38 is: 7,708,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,599.22 : 19,061,956.35 = 5,137,879.38 : x
  2. Step 2: Convert to fraction form
    12,705,599.22/19,061,956.35 = 5,137,879.38/x
  3. Step 3: Cross multiply
    12,705,599.22x = 19,061,956.35 × 5,137,879.38
  4. Step 4: Simplify right side
    12,705,599.22x = 97,938,032,473,125.06
  5. Step 5: Solve for x
    x = 97,938,032,473,125.06/12,705,599.22
  6. Step 6: Final answer
    x = 7,708,257.66

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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.