Home / 18,499,120.34-27,748,015.26-4,852,157.72

Finding the Fourth Proportional to 18,499,120.34, 27,748,015.26 and 4,852,157.72

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Solution

The fourth proportional to 18,499,120.34, 27,748,015.26 and 4,852,157.72 is: 7,278,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,120.34 : 27,748,015.26 = 4,852,157.72 : x
  2. Step 2: Convert to fraction form
    18,499,120.34/27,748,015.26 = 4,852,157.72/x
  3. Step 3: Cross multiply
    18,499,120.34x = 27,748,015.26 × 4,852,157.72
  4. Step 4: Simplify right side
    18,499,120.34x = 134,637,746,458,486.81
  5. Step 5: Solve for x
    x = 134,637,746,458,486.81/18,499,120.34
  6. Step 6: Final answer
    x = 7,278,062.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.