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Finding the Fourth Proportional to 12,308,804.52, 18,446,703.02 and 9,579,647.45

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Solution

The fourth proportional to 12,308,804.52, 18,446,703.02 and 9,579,647.45 is: 14,356,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,804.52 : 18,446,703.02 = 9,579,647.45 : x
  2. Step 2: Convert to fraction form
    12,308,804.52/18,446,703.02 = 9,579,647.45/x
  3. Step 3: Cross multiply
    12,308,804.52x = 18,446,703.02 × 9,579,647.45
  4. Step 4: Simplify right side
    12,308,804.52x = 176,712,911,546,450.28
  5. Step 5: Solve for x
    x = 176,712,911,546,450.28/12,308,804.52
  6. Step 6: Final answer
    x = 14,356,626.69

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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.