Home / 12,139,455.34-18,206,820.74-3,502,948.60

Finding the Fourth Proportional to 12,139,455.34, 18,206,820.74 and 3,502,948.60

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Solution

The fourth proportional to 12,139,455.34, 18,206,820.74 and 3,502,948.60 is: 5,253,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,455.34 : 18,206,820.74 = 3,502,948.60 : x
  2. Step 2: Convert to fraction form
    12,139,455.34/18,206,820.74 = 3,502,948.60/x
  3. Step 3: Cross multiply
    12,139,455.34x = 18,206,820.74 × 3,502,948.60
  4. Step 4: Simplify right side
    12,139,455.34x = 63,777,557,221,633.96
  5. Step 5: Solve for x
    x = 63,777,557,221,633.96/12,139,455.34
  6. Step 6: Final answer
    x = 5,253,741.25

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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.