Home / 20,328,345.19-30,492,910.83-4,975,769.20

Finding the Fourth Proportional to 20,328,345.19, 30,492,910.83 and 4,975,769.20

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Solution

The fourth proportional to 20,328,345.19, 30,492,910.83 and 4,975,769.20 is: 7,463,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328,345.19 : 30,492,910.83 = 4,975,769.20 : x
  2. Step 2: Convert to fraction form
    20,328,345.19/30,492,910.83 = 4,975,769.20/x
  3. Step 3: Cross multiply
    20,328,345.19x = 30,492,910.83 × 4,975,769.20
  4. Step 4: Simplify right side
    20,328,345.19x = 151,725,686,526,260.44
  5. Step 5: Solve for x
    x = 151,725,686,526,260.44/20,328,345.19
  6. Step 6: Final answer
    x = 7,463,750.01

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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.