Home / 38,143,563.83-52,637,752.19-20,739,912.63

Finding the Fourth Proportional to 38,143,563.83, 52,637,752.19 and 20,739,912.63

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Solution

The fourth proportional to 38,143,563.83, 52,637,752.19 and 20,739,912.63 is: 28,620,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,563.83 : 52,637,752.19 = 20,739,912.63 : x
  2. Step 2: Convert to fraction form
    38,143,563.83/52,637,752.19 = 20,739,912.63/x
  3. Step 3: Cross multiply
    38,143,563.83x = 52,637,752.19 × 20,739,912.63
  4. Step 4: Simplify right side
    38,143,563.83x = 1,091,702,381,356,491.62
  5. Step 5: Solve for x
    x = 1,091,702,381,356,491.62/38,143,563.83
  6. Step 6: Final answer
    x = 28,620,880.48

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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.