Home / 12,804,646.40-19,220,966.40-8,017,740.80

Finding the Fourth Proportional to 12,804,646.40, 19,220,966.40 and 8,017,740.80

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Solution

The fourth proportional to 12,804,646.40, 19,220,966.40 and 8,017,740.80 is: 12,035,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,646.40 : 19,220,966.40 = 8,017,740.80 : x
  2. Step 2: Convert to fraction form
    12,804,646.40/19,220,966.40 = 8,017,740.80/x
  3. Step 3: Cross multiply
    12,804,646.40x = 19,220,966.40 × 8,017,740.80
  4. Step 4: Simplify right side
    12,804,646.40x = 154,108,726,520,709.09
  5. Step 5: Solve for x
    x = 154,108,726,520,709.09/12,804,646.40
  6. Step 6: Final answer
    x = 12,035,375.42

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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.