Home / 19,186,840.16-28,795,183.68-13,391,927.36

Finding the Fourth Proportional to 19,186,840.16, 28,795,183.68 and 13,391,927.36

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Solution

The fourth proportional to 19,186,840.16, 28,795,183.68 and 13,391,927.36 is: 20,098,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,840.16 : 28,795,183.68 = 13,391,927.36 : x
  2. Step 2: Convert to fraction form
    19,186,840.16/28,795,183.68 = 13,391,927.36/x
  3. Step 3: Cross multiply
    19,186,840.16x = 28,795,183.68 × 13,391,927.36
  4. Step 4: Simplify right side
    19,186,840.16x = 385,623,008,160,417.44
  5. Step 5: Solve for x
    x = 385,623,008,160,417.44/19,186,840.16
  6. Step 6: Final answer
    x = 20,098,307.22

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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.