Home / 18,714,698.70-28,072,048.05-10,624,548.30

Finding the Fourth Proportional to 18,714,698.70, 28,072,048.05 and 10,624,548.30

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Solution

The fourth proportional to 18,714,698.70, 28,072,048.05 and 10,624,548.30 is: 15,936,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,698.70 : 28,072,048.05 = 10,624,548.30 : x
  2. Step 2: Convert to fraction form
    18,714,698.70/28,072,048.05 = 10,624,548.30/x
  3. Step 3: Cross multiply
    18,714,698.70x = 28,072,048.05 × 10,624,548.30
  4. Step 4: Simplify right side
    18,714,698.70x = 298,252,830,387,145.88
  5. Step 5: Solve for x
    x = 298,252,830,387,145.88/18,714,698.70
  6. Step 6: Final answer
    x = 15,936,822.45

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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.