Home / 13,070,254.63-18,037,449.09-7,269,455.83

Finding the Fourth Proportional to 13,070,254.63, 18,037,449.09 and 7,269,455.83

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Solution

The fourth proportional to 13,070,254.63, 18,037,449.09 and 7,269,455.83 is: 10,032,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,254.63 : 18,037,449.09 = 7,269,455.83 : x
  2. Step 2: Convert to fraction form
    13,070,254.63/18,037,449.09 = 7,269,455.83/x
  3. Step 3: Cross multiply
    13,070,254.63x = 18,037,449.09 × 7,269,455.83
  4. Step 4: Simplify right side
    13,070,254.63x = 131,122,439,445,628.69
  5. Step 5: Solve for x
    x = 131,122,439,445,628.69/13,070,254.63
  6. Step 6: Final answer
    x = 10,032,125.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.