Home / 19,776,706.56-29,614,325.76-13,702,809.60

Finding the Fourth Proportional to 19,776,706.56, 29,614,325.76 and 13,702,809.60

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Solution

The fourth proportional to 19,776,706.56, 29,614,325.76 and 13,702,809.60 is: 20,519,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776,706.56 : 29,614,325.76 = 13,702,809.60 : x
  2. Step 2: Convert to fraction form
    19,776,706.56/29,614,325.76 = 13,702,809.60/x
  3. Step 3: Cross multiply
    19,776,706.56x = 29,614,325.76 × 13,702,809.60
  4. Step 4: Simplify right side
    19,776,706.56x = 405,799,467,321,655.31
  5. Step 5: Solve for x
    x = 405,799,467,321,655.31/19,776,706.56
  6. Step 6: Final answer
    x = 20,519,061.96

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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.