Home / 38,143,410.06-52,637,523.58-20,739,756.13

Finding the Fourth Proportional to 38,143,410.06, 52,637,523.58 and 20,739,756.13

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Solution

The fourth proportional to 38,143,410.06, 52,637,523.58 and 20,739,756.13 is: 28,620,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,410.06 : 52,637,523.58 = 20,739,756.13 : x
  2. Step 2: Convert to fraction form
    38,143,410.06/52,637,523.58 = 20,739,756.13/x
  3. Step 3: Cross multiply
    38,143,410.06x = 52,637,523.58 × 20,739,756.13
  4. Step 4: Simplify right side
    38,143,410.06x = 1,091,689,402,336,324.50
  5. Step 5: Solve for x
    x = 1,091,689,402,336,324.50/38,143,410.06
  6. Step 6: Final answer
    x = 28,620,655.59

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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.