Home / 13,285,534.80-19,928,302.20-13,159,563.60

Finding the Fourth Proportional to 13,285,534.80, 19,928,302.20 and 13,159,563.60

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Solution

The fourth proportional to 13,285,534.80, 19,928,302.20 and 13,159,563.60 is: 19,739,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,534.80 : 19,928,302.20 = 13,159,563.60 : x
  2. Step 2: Convert to fraction form
    13,285,534.80/19,928,302.20 = 13,159,563.60/x
  3. Step 3: Cross multiply
    13,285,534.80x = 19,928,302.20 × 13,159,563.60
  4. Step 4: Simplify right side
    13,285,534.80x = 262,247,760,240,919.91
  5. Step 5: Solve for x
    x = 262,247,760,240,919.91/13,285,534.80
  6. Step 6: Final answer
    x = 19,739,345.40

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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.