Home / 13,913,280.98-20,860,142.82-6,128,501.39

Finding the Fourth Proportional to 13,913,280.98, 20,860,142.82 and 6,128,501.39

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Solution

The fourth proportional to 13,913,280.98, 20,860,142.82 and 6,128,501.39 is: 9,188,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,280.98 : 20,860,142.82 = 6,128,501.39 : x
  2. Step 2: Convert to fraction form
    13,913,280.98/20,860,142.82 = 6,128,501.39/x
  3. Step 3: Cross multiply
    13,913,280.98x = 20,860,142.82 × 6,128,501.39
  4. Step 4: Simplify right side
    13,913,280.98x = 127,841,414,163,667.80
  5. Step 5: Solve for x
    x = 127,841,414,163,667.80/13,913,280.98
  6. Step 6: Final answer
    x = 9,188,444.80

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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.