Home / 19,008,006.40-28,512,009.60-6,229,802.80

Finding the Fourth Proportional to 19,008,006.40, 28,512,009.60 and 6,229,802.80

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Solution

The fourth proportional to 19,008,006.40, 28,512,009.60 and 6,229,802.80 is: 9,344,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,006.40 : 28,512,009.60 = 6,229,802.80 : x
  2. Step 2: Convert to fraction form
    19,008,006.40/28,512,009.60 = 6,229,802.80/x
  3. Step 3: Cross multiply
    19,008,006.40x = 28,512,009.60 × 6,229,802.80
  4. Step 4: Simplify right side
    19,008,006.40x = 177,624,197,239,706.88
  5. Step 5: Solve for x
    x = 177,624,197,239,706.88/19,008,006.40
  6. Step 6: Final answer
    x = 9,344,704.20

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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.