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Finding the Fourth Proportional to 8,804,231.70, 13,206,347.55 and 8,020,410.90

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Solution

The fourth proportional to 8,804,231.70, 13,206,347.55 and 8,020,410.90 is: 12,030,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804,231.70 : 13,206,347.55 = 8,020,410.90 : x
  2. Step 2: Convert to fraction form
    8,804,231.70/13,206,347.55 = 8,020,410.90/x
  3. Step 3: Cross multiply
    8,804,231.70x = 13,206,347.55 × 8,020,410.90
  4. Step 4: Simplify right side
    8,804,231.70x = 105,920,333,839,208.31
  5. Step 5: Solve for x
    x = 105,920,333,839,208.31/8,804,231.70
  6. Step 6: Final answer
    x = 12,030,616.35

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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.