Home / 31,163,322.78-46,730,271.78-18,213,188.58

Finding the Fourth Proportional to 31,163,322.78, 46,730,271.78 and 18,213,188.58

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Solution

The fourth proportional to 31,163,322.78, 46,730,271.78 and 18,213,188.58 is: 27,311,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163,322.78 : 46,730,271.78 = 18,213,188.58 : x
  2. Step 2: Convert to fraction form
    31,163,322.78/46,730,271.78 = 18,213,188.58/x
  3. Step 3: Cross multiply
    31,163,322.78x = 46,730,271.78 × 18,213,188.58
  4. Step 4: Simplify right side
    31,163,322.78x = 851,107,252,323,792.25
  5. Step 5: Solve for x
    x = 851,107,252,323,792.25/31,163,322.78
  6. Step 6: Final answer
    x = 27,311,184.32

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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.