Home / 12,683,313.60-19,010,973.60-7,007,611.20

Finding the Fourth Proportional to 12,683,313.60, 19,010,973.60 and 7,007,611.20

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Solution

The fourth proportional to 12,683,313.60, 19,010,973.60 and 7,007,611.20 is: 10,503,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,313.60 : 19,010,973.60 = 7,007,611.20 : x
  2. Step 2: Convert to fraction form
    12,683,313.60/19,010,973.60 = 7,007,611.20/x
  3. Step 3: Cross multiply
    12,683,313.60x = 19,010,973.60 × 7,007,611.20
  4. Step 4: Simplify right side
    12,683,313.60x = 133,221,511,522,264.33
  5. Step 5: Solve for x
    x = 133,221,511,522,264.33/12,683,313.60
  6. Step 6: Final answer
    x = 10,503,683.48

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1.5x scale

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.