Home / 34,162,118.64-47,139,072.60-20,408,162.16

Finding the Fourth Proportional to 34,162,118.64, 47,139,072.60 and 20,408,162.16

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Solution

The fourth proportional to 34,162,118.64, 47,139,072.60 and 20,408,162.16 is: 28,160,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162,118.64 : 47,139,072.60 = 20,408,162.16 : x
  2. Step 2: Convert to fraction form
    34,162,118.64/47,139,072.60 = 20,408,162.16/x
  3. Step 3: Cross multiply
    34,162,118.64x = 47,139,072.60 × 20,408,162.16
  4. Step 4: Simplify right side
    34,162,118.64x = 962,021,837,692,812.88
  5. Step 5: Solve for x
    x = 962,021,837,692,812.88/34,162,118.64
  6. Step 6: Final answer
    x = 28,160,485.24

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1.5x scale

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.