Home / 12,683,311.60-19,010,970.60-7,007,609.20

Finding the Fourth Proportional to 12,683,311.60, 19,010,970.60 and 7,007,609.20

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Solution

The fourth proportional to 12,683,311.60, 19,010,970.60 and 7,007,609.20 is: 10,503,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,311.60 : 19,010,970.60 = 7,007,609.20 : x
  2. Step 2: Convert to fraction form
    12,683,311.60/19,010,970.60 = 7,007,609.20/x
  3. Step 3: Cross multiply
    12,683,311.60x = 19,010,970.60 × 7,007,609.20
  4. Step 4: Simplify right side
    12,683,311.60x = 133,221,452,477,489.53
  5. Step 5: Solve for x
    x = 133,221,452,477,489.53/12,683,311.60
  6. Step 6: Final answer
    x = 10,503,680.48

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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.