Home / 13,168,692.39-19,713,683.23-7,965,555.64

Finding the Fourth Proportional to 13,168,692.39, 19,713,683.23 and 7,965,555.64

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Solution

The fourth proportional to 13,168,692.39, 19,713,683.23 and 7,965,555.64 is: 11,924,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,692.39 : 19,713,683.23 = 7,965,555.64 : x
  2. Step 2: Convert to fraction form
    13,168,692.39/19,713,683.23 = 7,965,555.64/x
  3. Step 3: Cross multiply
    13,168,692.39x = 19,713,683.23 × 7,965,555.64
  4. Step 4: Simplify right side
    13,168,692.39x = 157,030,440,701,998.41
  5. Step 5: Solve for x
    x = 157,030,440,701,998.41/13,168,692.39
  6. Step 6: Final answer
    x = 11,924,527.96

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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.