Home / 38,143,564.02-52,637,752.44-20,739,912.83

Finding the Fourth Proportional to 38,143,564.02, 52,637,752.44 and 20,739,912.83

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Solution

The fourth proportional to 38,143,564.02, 52,637,752.44 and 20,739,912.83 is: 28,620,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,564.02 : 52,637,752.44 = 20,739,912.83 : x
  2. Step 2: Convert to fraction form
    38,143,564.02/52,637,752.44 = 20,739,912.83/x
  3. Step 3: Cross multiply
    38,143,564.02x = 52,637,752.44 × 20,739,912.83
  4. Step 4: Simplify right side
    38,143,564.02x = 1,091,702,397,106,922.50
  5. Step 5: Solve for x
    x = 1,091,702,397,106,922.50/38,143,564.02
  6. Step 6: Final answer
    x = 28,620,880.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.