Home / 18,963,591.54-26,163,350.91-12,345,158.58

Finding the Fourth Proportional to 18,963,591.54, 26,163,350.91 and 12,345,158.58

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Solution

The fourth proportional to 18,963,591.54, 26,163,350.91 and 12,345,158.58 is: 17,032,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,591.54 : 26,163,350.91 = 12,345,158.58 : x
  2. Step 2: Convert to fraction form
    18,963,591.54/26,163,350.91 = 12,345,158.58/x
  3. Step 3: Cross multiply
    18,963,591.54x = 26,163,350.91 × 12,345,158.58
  4. Step 4: Simplify right side
    18,963,591.54x = 322,990,715,968,137.31
  5. Step 5: Solve for x
    x = 322,990,715,968,137.31/18,963,591.54
  6. Step 6: Final answer
    x = 17,032,148.96

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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.