Home / 38,143,085.22-52,637,090.69-20,739,434.03

Finding the Fourth Proportional to 38,143,085.22, 52,637,090.69 and 20,739,434.03

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Solution

The fourth proportional to 38,143,085.22, 52,637,090.69 and 20,739,434.03 is: 28,620,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,085.22 : 52,637,090.69 = 20,739,434.03 : x
  2. Step 2: Convert to fraction form
    38,143,085.22/52,637,090.69 = 20,739,434.03/x
  3. Step 3: Cross multiply
    38,143,085.22x = 52,637,090.69 × 20,739,434.03
  4. Step 4: Simplify right side
    38,143,085.22x = 1,091,663,469,896,382.25
  5. Step 5: Solve for x
    x = 1,091,663,469,896,382.25/38,143,085.22
  6. Step 6: Final answer
    x = 28,620,219.46

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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.