Home / 14,271,830.40-21,378,715.20-8,863,881.60

Finding the Fourth Proportional to 14,271,830.40, 21,378,715.20 and 8,863,881.60

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Solution

The fourth proportional to 14,271,830.40, 21,378,715.20 and 8,863,881.60 is: 13,277,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,830.40 : 21,378,715.20 = 8,863,881.60 : x
  2. Step 2: Convert to fraction form
    14,271,830.40/21,378,715.20 = 8,863,881.60/x
  3. Step 3: Cross multiply
    14,271,830.40x = 21,378,715.20 × 8,863,881.60
  4. Step 4: Simplify right side
    14,271,830.40x = 189,498,400,292,920.31
  5. Step 5: Solve for x
    x = 189,498,400,292,920.31/14,271,830.40
  6. Step 6: Final answer
    x = 13,277,792.34

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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.