Home / 38,141,819.60-52,635,090.94-20,738,603.07

Finding the Fourth Proportional to 38,141,819.60, 52,635,090.94 and 20,738,603.07

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Solution

The fourth proportional to 38,141,819.60, 52,635,090.94 and 20,738,603.07 is: 28,618,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141,819.60 : 52,635,090.94 = 20,738,603.07 : x
  2. Step 2: Convert to fraction form
    38,141,819.60/52,635,090.94 = 20,738,603.07/x
  3. Step 3: Cross multiply
    38,141,819.60x = 52,635,090.94 × 20,738,603.07
  4. Step 4: Simplify right side
    38,141,819.60x = 1,091,578,258,506,166.75
  5. Step 5: Solve for x
    x = 1,091,578,258,506,166.75/38,141,819.60
  6. Step 6: Final answer
    x = 28,618,935.07

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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.