Home / 30,212,271.06-45,274,446.27-18,673,101.78

Finding the Fourth Proportional to 30,212,271.06, 45,274,446.27 and 18,673,101.78

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Solution

The fourth proportional to 30,212,271.06, 45,274,446.27 and 18,673,101.78 is: 27,982,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212,271.06 : 45,274,446.27 = 18,673,101.78 : x
  2. Step 2: Convert to fraction form
    30,212,271.06/45,274,446.27 = 18,673,101.78/x
  3. Step 3: Cross multiply
    30,212,271.06x = 45,274,446.27 × 18,673,101.78
  4. Step 4: Simplify right side
    30,212,271.06x = 845,414,343,232,851.50
  5. Step 5: Solve for x
    x = 845,414,343,232,851.50/30,212,271.06
  6. Step 6: Final answer
    x = 27,982,482.40

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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.