Home / 13,102,454.80-19,635,019.80-9,663,907.60

Finding the Fourth Proportional to 13,102,454.80, 19,635,019.80 and 9,663,907.60

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Solution

The fourth proportional to 13,102,454.80, 19,635,019.80 and 9,663,907.60 is: 14,482,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,454.80 : 19,635,019.80 = 9,663,907.60 : x
  2. Step 2: Convert to fraction form
    13,102,454.80/19,635,019.80 = 9,663,907.60/x
  3. Step 3: Cross multiply
    13,102,454.80x = 19,635,019.80 × 9,663,907.60
  4. Step 4: Simplify right side
    13,102,454.80x = 189,751,017,071,370.47
  5. Step 5: Solve for x
    x = 189,751,017,071,370.47/13,102,454.80
  6. Step 6: Final answer
    x = 14,482,096.67

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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.