Home / 13,180,044.95-19,689,917.54-8,531,161.03

Finding the Fourth Proportional to 13,180,044.95, 19,689,917.54 and 8,531,161.03

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Solution

The fourth proportional to 13,180,044.95, 19,689,917.54 and 8,531,161.03 is: 12,744,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,044.95 : 19,689,917.54 = 8,531,161.03 : x
  2. Step 2: Convert to fraction form
    13,180,044.95/19,689,917.54 = 8,531,161.03/x
  3. Step 3: Cross multiply
    13,180,044.95x = 19,689,917.54 × 8,531,161.03
  4. Step 4: Simplify right side
    13,180,044.95x = 167,977,857,173,264.56
  5. Step 5: Solve for x
    x = 167,977,857,173,264.56/13,180,044.95
  6. Step 6: Final answer
    x = 12,744,862.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.