Home / 19,208,530.09-28,812,844.27-7,848,978.67

Finding the Fourth Proportional to 19,208,530.09, 28,812,844.27 and 7,848,978.67

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Solution

The fourth proportional to 19,208,530.09, 28,812,844.27 and 7,848,978.67 is: 11,773,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,530.09 : 28,812,844.27 = 7,848,978.67 : x
  2. Step 2: Convert to fraction form
    19,208,530.09/28,812,844.27 = 7,848,978.67/x
  3. Step 3: Cross multiply
    19,208,530.09x = 28,812,844.27 × 7,848,978.67
  4. Step 4: Simplify right side
    19,208,530.09x = 226,151,399,953,197.50
  5. Step 5: Solve for x
    x = 226,151,399,953,197.50/19,208,530.09
  6. Step 6: Final answer
    x = 11,773,488.08

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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.