Home / 9,815,892.21-13,545,901.49-5,464,866.51

Finding the Fourth Proportional to 9,815,892.21, 13,545,901.49 and 5,464,866.51

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Solution

The fourth proportional to 9,815,892.21, 13,545,901.49 and 5,464,866.51 is: 7,541,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,892.21 : 13,545,901.49 = 5,464,866.51 : x
  2. Step 2: Convert to fraction form
    9,815,892.21/13,545,901.49 = 5,464,866.51/x
  3. Step 3: Cross multiply
    9,815,892.21x = 13,545,901.49 × 5,464,866.51
  4. Step 4: Simplify right side
    9,815,892.21x = 74,026,543,373,135.77
  5. Step 5: Solve for x
    x = 74,026,543,373,135.77/9,815,892.21
  6. Step 6: Final answer
    x = 7,541,499.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.