Home / 12,883,297.88-19,350,521.10-7,705,881.56

Finding the Fourth Proportional to 12,883,297.88, 19,350,521.10 and 7,705,881.56

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Solution

The fourth proportional to 12,883,297.88, 19,350,521.10 and 7,705,881.56 is: 11,574,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,297.88 : 19,350,521.10 = 7,705,881.56 : x
  2. Step 2: Convert to fraction form
    12,883,297.88/19,350,521.10 = 7,705,881.56/x
  3. Step 3: Cross multiply
    12,883,297.88x = 19,350,521.10 × 7,705,881.56
  4. Step 4: Simplify right side
    12,883,297.88x = 149,112,823,720,880.91
  5. Step 5: Solve for x
    x = 149,112,823,720,880.91/12,883,297.88
  6. Step 6: Final answer
    x = 11,574,119.07

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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.