Home / 13,522,400.44-18,658,848.68-7,639,888.22

Finding the Fourth Proportional to 13,522,400.44, 18,658,848.68 and 7,639,888.22

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Solution

The fourth proportional to 13,522,400.44, 18,658,848.68 and 7,639,888.22 is: 10,541,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522,400.44 : 18,658,848.68 = 7,639,888.22 : x
  2. Step 2: Convert to fraction form
    13,522,400.44/18,658,848.68 = 7,639,888.22/x
  3. Step 3: Cross multiply
    13,522,400.44x = 18,658,848.68 × 7,639,888.22
  4. Step 4: Simplify right side
    13,522,400.44x = 142,551,518,229,094.53
  5. Step 5: Solve for x
    x = 142,551,518,229,094.53/13,522,400.44
  6. Step 6: Final answer
    x = 10,541,879.67

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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.