Home / 12,169,360.46-18,255,482.33-7,620,785.25

Finding the Fourth Proportional to 12,169,360.46, 18,255,482.33 and 7,620,785.25

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Solution

The fourth proportional to 12,169,360.46, 18,255,482.33 and 7,620,785.25 is: 11,432,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169,360.46 : 18,255,482.33 = 7,620,785.25 : x
  2. Step 2: Convert to fraction form
    12,169,360.46/18,255,482.33 = 7,620,785.25/x
  3. Step 3: Cross multiply
    12,169,360.46x = 18,255,482.33 × 7,620,785.25
  4. Step 4: Simplify right side
    12,169,360.46x = 139,121,110,472,099.62
  5. Step 5: Solve for x
    x = 139,121,110,472,099.62/12,169,360.46
  6. Step 6: Final answer
    x = 11,432,080.67

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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.