Home / 19,096,643.64-28,644,684.79-4,719,712.67

Finding the Fourth Proportional to 19,096,643.64, 28,644,684.79 and 4,719,712.67

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Solution

The fourth proportional to 19,096,643.64, 28,644,684.79 and 4,719,712.67 is: 7,079,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,096,643.64 : 28,644,684.79 = 4,719,712.67 : x
  2. Step 2: Convert to fraction form
    19,096,643.64/28,644,684.79 = 4,719,712.67/x
  3. Step 3: Cross multiply
    19,096,643.64x = 28,644,684.79 × 4,719,712.67
  4. Step 4: Simplify right side
    19,096,643.64x = 135,194,681,731,519.28
  5. Step 5: Solve for x
    x = 135,194,681,731,519.28/19,096,643.64
  6. Step 6: Final answer
    x = 7,079,499.64

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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.