Home / 12,691,602.80-19,048,290.60-5,123,999.60

Finding the Fourth Proportional to 12,691,602.80, 19,048,290.60 and 5,123,999.60

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Solution

The fourth proportional to 12,691,602.80, 19,048,290.60 and 5,123,999.60 is: 7,690,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,602.80 : 19,048,290.60 = 5,123,999.60 : x
  2. Step 2: Convert to fraction form
    12,691,602.80/19,048,290.60 = 5,123,999.60/x
  3. Step 3: Cross multiply
    12,691,602.80x = 19,048,290.60 × 5,123,999.60
  4. Step 4: Simplify right side
    12,691,602.80x = 97,603,433,415,083.77
  5. Step 5: Solve for x
    x = 97,603,433,415,083.77/12,691,602.80
  6. Step 6: Final answer
    x = 7,690,394.58

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1.5x scale

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.