Home / 9,874,709.20-14,812,063.80-3,143,803.60

Finding the Fourth Proportional to 9,874,709.20, 14,812,063.80 and 3,143,803.60

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Solution

The fourth proportional to 9,874,709.20, 14,812,063.80 and 3,143,803.60 is: 4,715,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874,709.20 : 14,812,063.80 = 3,143,803.60 : x
  2. Step 2: Convert to fraction form
    9,874,709.20/14,812,063.80 = 3,143,803.60/x
  3. Step 3: Cross multiply
    9,874,709.20x = 14,812,063.80 × 3,143,803.60
  4. Step 4: Simplify right side
    9,874,709.20x = 46,566,219,497,869.69
  5. Step 5: Solve for x
    x = 46,566,219,497,869.69/9,874,709.20
  6. Step 6: Final answer
    x = 4,715,705.40

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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.