Home / 12,945,233.60-19,438,845.60-8,704,203.20

Finding the Fourth Proportional to 12,945,233.60, 19,438,845.60 and 8,704,203.20

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Solution

The fourth proportional to 12,945,233.60, 19,438,845.60 and 8,704,203.20 is: 13,070,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,233.60 : 19,438,845.60 = 8,704,203.20 : x
  2. Step 2: Convert to fraction form
    12,945,233.60/19,438,845.60 = 8,704,203.20/x
  3. Step 3: Cross multiply
    12,945,233.60x = 19,438,845.60 × 8,704,203.20
  4. Step 4: Simplify right side
    12,945,233.60x = 169,199,662,075,825.91
  5. Step 5: Solve for x
    x = 169,199,662,075,825.91/12,945,233.60
  6. Step 6: Final answer
    x = 13,070,421.69

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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.