Home / 14,207,044.80-21,286,072.80-6,618,446.40

Finding the Fourth Proportional to 14,207,044.80, 21,286,072.80 and 6,618,446.40

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Solution

The fourth proportional to 14,207,044.80, 21,286,072.80 and 6,618,446.40 is: 9,916,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207,044.80 : 21,286,072.80 = 6,618,446.40 : x
  2. Step 2: Convert to fraction form
    14,207,044.80/21,286,072.80 = 6,618,446.40/x
  3. Step 3: Cross multiply
    14,207,044.80x = 21,286,072.80 × 6,618,446.40
  4. Step 4: Simplify right side
    14,207,044.80x = 140,880,731,893,297.94
  5. Step 5: Solve for x
    x = 140,880,731,893,297.94/14,207,044.80
  6. Step 6: Final answer
    x = 9,916,258.72

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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.