Home / 23,163,137.67-31,965,718.32-12,709,151.24

Finding the Fourth Proportional to 23,163,137.67, 31,965,718.32 and 12,709,151.24

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Solution

The fourth proportional to 23,163,137.67, 31,965,718.32 and 12,709,151.24 is: 17,538,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163,137.67 : 31,965,718.32 = 12,709,151.24 : x
  2. Step 2: Convert to fraction form
    23,163,137.67/31,965,718.32 = 12,709,151.24/x
  3. Step 3: Cross multiply
    23,163,137.67x = 31,965,718.32 × 12,709,151.24
  4. Step 4: Simplify right side
    23,163,137.67x = 406,257,148,704,033
  5. Step 5: Solve for x
    x = 406,257,148,704,033/23,163,137.67
  6. Step 6: Final answer
    x = 17,538,951.52

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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.