Home / 12,940,982.40-19,411,473.60-12,773,020.80

Finding the Fourth Proportional to 12,940,982.40, 19,411,473.60 and 12,773,020.80

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Solution

The fourth proportional to 12,940,982.40, 19,411,473.60 and 12,773,020.80 is: 19,159,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,982.40 : 19,411,473.60 = 12,773,020.80 : x
  2. Step 2: Convert to fraction form
    12,940,982.40/19,411,473.60 = 12,773,020.80/x
  3. Step 3: Cross multiply
    12,940,982.40x = 19,411,473.60 × 12,773,020.80
  4. Step 4: Simplify right side
    12,940,982.40x = 247,943,156,051,450.91
  5. Step 5: Solve for x
    x = 247,943,156,051,450.91/12,940,982.40
  6. Step 6: Final answer
    x = 19,159,531.20

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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.