Home / 13,180,045.95-19,689,919.04-8,531,162.03

Finding the Fourth Proportional to 13,180,045.95, 19,689,919.04 and 8,531,162.03

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Solution

The fourth proportional to 13,180,045.95, 19,689,919.04 and 8,531,162.03 is: 12,744,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,045.95 : 19,689,919.04 = 8,531,162.03 : x
  2. Step 2: Convert to fraction form
    13,180,045.95/19,689,919.04 = 8,531,162.03/x
  3. Step 3: Cross multiply
    13,180,045.95x = 19,689,919.04 × 8,531,162.03
  4. Step 4: Simplify right side
    13,180,045.95x = 167,977,889,687,822.03
  5. Step 5: Solve for x
    x = 167,977,889,687,822.03/13,180,045.95
  6. Step 6: Final answer
    x = 12,744,863.74

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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.