Home / 12,215,840.40-18,326,013.21-4,018,944.15

Finding the Fourth Proportional to 12,215,840.40, 18,326,013.21 and 4,018,944.15

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Solution

The fourth proportional to 12,215,840.40, 18,326,013.21 and 4,018,944.15 is: 6,029,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,840.40 : 18,326,013.21 = 4,018,944.15 : x
  2. Step 2: Convert to fraction form
    12,215,840.40/18,326,013.21 = 4,018,944.15/x
  3. Step 3: Cross multiply
    12,215,840.40x = 18,326,013.21 × 4,018,944.15
  4. Step 4: Simplify right side
    12,215,840.40x = 73,651,223,583,152.22
  5. Step 5: Solve for x
    x = 73,651,223,583,152.22/12,215,840.40
  6. Step 6: Final answer
    x = 6,029,157.32

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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.