Home / 13,047,897.80-19,571,846.70-7,659,129.80

Finding the Fourth Proportional to 13,047,897.80, 19,571,846.70 and 7,659,129.80

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Solution

The fourth proportional to 13,047,897.80, 19,571,846.70 and 7,659,129.80 is: 11,488,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,897.80 : 19,571,846.70 = 7,659,129.80 : x
  2. Step 2: Convert to fraction form
    13,047,897.80/19,571,846.70 = 7,659,129.80/x
  3. Step 3: Cross multiply
    13,047,897.80x = 19,571,846.70 × 7,659,129.80
  4. Step 4: Simplify right side
    13,047,897.80x = 149,903,314,301,001.66
  5. Step 5: Solve for x
    x = 149,903,314,301,001.66/13,047,897.80
  6. Step 6: Final answer
    x = 11,488,694.70

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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.