Home / 12,405,223.74-18,607,840.47-3,886,222.08

Finding the Fourth Proportional to 12,405,223.74, 18,607,840.47 and 3,886,222.08

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Solution

The fourth proportional to 12,405,223.74, 18,607,840.47 and 3,886,222.08 is: 5,829,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,223.74 : 18,607,840.47 = 3,886,222.08 : x
  2. Step 2: Convert to fraction form
    12,405,223.74/18,607,840.47 = 3,886,222.08/x
  3. Step 3: Cross multiply
    12,405,223.74x = 18,607,840.47 × 3,886,222.08
  4. Step 4: Simplify right side
    12,405,223.74x = 72,314,200,495,631.58
  5. Step 5: Solve for x
    x = 72,314,200,495,631.58/12,405,223.74
  6. Step 6: Final answer
    x = 5,829,334.64

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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.