Home / 15,855,148.50-21,880,126.80-8,611,804.50

Finding the Fourth Proportional to 15,855,148.50, 21,880,126.80 and 8,611,804.50

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Solution

The fourth proportional to 15,855,148.50, 21,880,126.80 and 8,611,804.50 is: 11,884,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,148.50 : 21,880,126.80 = 8,611,804.50 : x
  2. Step 2: Convert to fraction form
    15,855,148.50/21,880,126.80 = 8,611,804.50/x
  3. Step 3: Cross multiply
    15,855,148.50x = 21,880,126.80 × 8,611,804.50
  4. Step 4: Simplify right side
    15,855,148.50x = 188,427,374,436,810.59
  5. Step 5: Solve for x
    x = 188,427,374,436,810.59/15,855,148.50
  6. Step 6: Final answer
    x = 11,884,302.09

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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.