Home / 13,312,072.80-19,968,109.20-6,579,093.60

Finding the Fourth Proportional to 13,312,072.80, 19,968,109.20 and 6,579,093.60

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Solution

The fourth proportional to 13,312,072.80, 19,968,109.20 and 6,579,093.60 is: 9,868,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,072.80 : 19,968,109.20 = 6,579,093.60 : x
  2. Step 2: Convert to fraction form
    13,312,072.80/19,968,109.20 = 6,579,093.60/x
  3. Step 3: Cross multiply
    13,312,072.80x = 19,968,109.20 × 6,579,093.60
  4. Step 4: Simplify right side
    13,312,072.80x = 131,372,059,441,821.11
  5. Step 5: Solve for x
    x = 131,372,059,441,821.11/13,312,072.80
  6. Step 6: Final answer
    x = 9,868,640.40

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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.