Home / 14,587,839.40-21,852,890.70-12,792,749.80

Finding the Fourth Proportional to 14,587,839.40, 21,852,890.70 and 12,792,749.80

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Solution

The fourth proportional to 14,587,839.40, 21,852,890.70 and 12,792,749.80 is: 19,163,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587,839.40 : 21,852,890.70 = 12,792,749.80 : x
  2. Step 2: Convert to fraction form
    14,587,839.40/21,852,890.70 = 12,792,749.80/x
  3. Step 3: Cross multiply
    14,587,839.40x = 21,852,890.70 × 12,792,749.80
  4. Step 4: Simplify right side
    14,587,839.40x = 279,558,563,131,846.88
  5. Step 5: Solve for x
    x = 279,558,563,131,846.88/14,587,839.40
  6. Step 6: Final answer
    x = 19,163,808.67

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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.