Home / 10,828,893.80-16,243,340.70-9,611,172.20

Finding the Fourth Proportional to 10,828,893.80, 16,243,340.70 and 9,611,172.20

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Solution

The fourth proportional to 10,828,893.80, 16,243,340.70 and 9,611,172.20 is: 14,416,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828,893.80 : 16,243,340.70 = 9,611,172.20 : x
  2. Step 2: Convert to fraction form
    10,828,893.80/16,243,340.70 = 9,611,172.20/x
  3. Step 3: Cross multiply
    10,828,893.80x = 16,243,340.70 × 9,611,172.20
  4. Step 4: Simplify right side
    10,828,893.80x = 156,117,544,570,968.53
  5. Step 5: Solve for x
    x = 156,117,544,570,968.53/10,828,893.80
  6. Step 6: Final answer
    x = 14,416,758.30

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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.