Home / 10,902,429.20-16,335,929.10-9,095,529.80

Finding the Fourth Proportional to 10,902,429.20, 16,335,929.10 and 9,095,529.80

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Solution

The fourth proportional to 10,902,429.20, 16,335,929.10 and 9,095,529.80 is: 13,628,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,429.20 : 16,335,929.10 = 9,095,529.80 : x
  2. Step 2: Convert to fraction form
    10,902,429.20/16,335,929.10 = 9,095,529.80/x
  3. Step 3: Cross multiply
    10,902,429.20x = 16,335,929.10 × 9,095,529.80
  4. Step 4: Simplify right side
    10,902,429.20x = 148,583,929,939,737.19
  5. Step 5: Solve for x
    x = 148,583,929,939,737.19/10,902,429.20
  6. Step 6: Final answer
    x = 13,628,515.92

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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.