Home / 12,153,696.60-18,219,140.10-4,585,747.80

Finding the Fourth Proportional to 12,153,696.60, 18,219,140.10 and 4,585,747.80

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Solution

The fourth proportional to 12,153,696.60, 18,219,140.10 and 4,585,747.80 is: 6,874,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153,696.60 : 18,219,140.10 = 4,585,747.80 : x
  2. Step 2: Convert to fraction form
    12,153,696.60/18,219,140.10 = 4,585,747.80/x
  3. Step 3: Cross multiply
    12,153,696.60x = 18,219,140.10 × 4,585,747.80
  4. Step 4: Simplify right side
    12,153,696.60x = 83,548,381,631,466.78
  5. Step 5: Solve for x
    x = 83,548,381,631,466.78/12,153,696.60
  6. Step 6: Final answer
    x = 6,874,318.52

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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.