Home / 12,901,156.83-19,363,692.65-6,515,893.26

Finding the Fourth Proportional to 12,901,156.83, 19,363,692.65 and 6,515,893.26

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Solution

The fourth proportional to 12,901,156.83, 19,363,692.65 and 6,515,893.26 is: 9,779,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901,156.83 : 19,363,692.65 = 6,515,893.26 : x
  2. Step 2: Convert to fraction form
    12,901,156.83/19,363,692.65 = 6,515,893.26/x
  3. Step 3: Cross multiply
    12,901,156.83x = 19,363,692.65 × 6,515,893.26
  4. Step 4: Simplify right side
    12,901,156.83x = 126,171,754,394,267.06
  5. Step 5: Solve for x
    x = 126,171,754,394,267.06/12,901,156.83
  6. Step 6: Final answer
    x = 9,779,879.13

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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.