Home / 13,105,510.70-19,658,266.05-11,830,052.30

Finding the Fourth Proportional to 13,105,510.70, 19,658,266.05 and 11,830,052.30

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Solution

The fourth proportional to 13,105,510.70, 19,658,266.05 and 11,830,052.30 is: 17,745,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,510.70 : 19,658,266.05 = 11,830,052.30 : x
  2. Step 2: Convert to fraction form
    13,105,510.70/19,658,266.05 = 11,830,052.30/x
  3. Step 3: Cross multiply
    13,105,510.70x = 19,658,266.05 × 11,830,052.30
  4. Step 4: Simplify right side
    13,105,510.70x = 232,558,315,498,814.44
  5. Step 5: Solve for x
    x = 232,558,315,498,814.44/13,105,510.70
  6. Step 6: Final answer
    x = 17,745,078.45

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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.