Home / 18,845,058.31-28,243,148.33-8,462,611.05

Finding the Fourth Proportional to 18,845,058.31, 28,243,148.33 and 8,462,611.05

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Solution

The fourth proportional to 18,845,058.31, 28,243,148.33 and 8,462,611.05 is: 12,682,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845,058.31 : 28,243,148.33 = 8,462,611.05 : x
  2. Step 2: Convert to fraction form
    18,845,058.31/28,243,148.33 = 8,462,611.05/x
  3. Step 3: Cross multiply
    18,845,058.31x = 28,243,148.33 × 8,462,611.05
  4. Step 4: Simplify right side
    18,845,058.31x = 239,010,779,144,247.06
  5. Step 5: Solve for x
    x = 239,010,779,144,247.06/18,845,058.31
  6. Step 6: Final answer
    x = 12,682,941.87

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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.