Home / 13,187,817.70-19,781,726.55-4,089,897.70

Finding the Fourth Proportional to 13,187,817.70, 19,781,726.55 and 4,089,897.70

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Solution

The fourth proportional to 13,187,817.70, 19,781,726.55 and 4,089,897.70 is: 6,134,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,817.70 : 19,781,726.55 = 4,089,897.70 : x
  2. Step 2: Convert to fraction form
    13,187,817.70/19,781,726.55 = 4,089,897.70/x
  3. Step 3: Cross multiply
    13,187,817.70x = 19,781,726.55 × 4,089,897.70
  4. Step 4: Simplify right side
    13,187,817.70x = 80,905,237,918,873.94
  5. Step 5: Solve for x
    x = 80,905,237,918,873.94/13,187,817.70
  6. Step 6: Final answer
    x = 6,134,846.55

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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.