Home / 13,620,041.98-20,430,440.82-3,384,488.32

Finding the Fourth Proportional to 13,620,041.98, 20,430,440.82 and 3,384,488.32

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Solution

The fourth proportional to 13,620,041.98, 20,430,440.82 and 3,384,488.32 is: 5,076,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,041.98 : 20,430,440.82 = 3,384,488.32 : x
  2. Step 2: Convert to fraction form
    13,620,041.98/20,430,440.82 = 3,384,488.32/x
  3. Step 3: Cross multiply
    13,620,041.98x = 20,430,440.82 × 3,384,488.32
  4. Step 4: Simplify right side
    13,620,041.98x = 69,146,588,327,741.22
  5. Step 5: Solve for x
    x = 69,146,588,327,741.22/13,620,041.98
  6. Step 6: Final answer
    x = 5,076,826.37

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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.