Home / 12,941,121.40-19,411,682.10-12,773,159.80

Finding the Fourth Proportional to 12,941,121.40, 19,411,682.10 and 12,773,159.80

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Solution

The fourth proportional to 12,941,121.40, 19,411,682.10 and 12,773,159.80 is: 19,159,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,121.40 : 19,411,682.10 = 12,773,159.80 : x
  2. Step 2: Convert to fraction form
    12,941,121.40/19,411,682.10 = 12,773,159.80/x
  3. Step 3: Cross multiply
    12,941,121.40x = 19,411,682.10 × 12,773,159.80
  4. Step 4: Simplify right side
    12,941,121.40x = 247,948,517,450,099.62
  5. Step 5: Solve for x
    x = 247,948,517,450,099.62/12,941,121.40
  6. Step 6: Final answer
    x = 19,159,739.70

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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.