Home / 12,219,059.10-18,348,172.65-9,715,532.70

Finding the Fourth Proportional to 12,219,059.10, 18,348,172.65 and 9,715,532.70

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Solution

The fourth proportional to 12,219,059.10, 18,348,172.65 and 9,715,532.70 is: 14,588,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,059.10 : 18,348,172.65 = 9,715,532.70 : x
  2. Step 2: Convert to fraction form
    12,219,059.10/18,348,172.65 = 9,715,532.70/x
  3. Step 3: Cross multiply
    12,219,059.10x = 18,348,172.65 × 9,715,532.70
  4. Step 4: Simplify right side
    12,219,059.10x = 178,262,271,366,320.62
  5. Step 5: Solve for x
    x = 178,262,271,366,320.62/12,219,059.10
  6. Step 6: Final answer
    x = 14,588,870.54

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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.