Home / 14,939,900.70-20,616,791.67-8,413,503.90

Finding the Fourth Proportional to 14,939,900.70, 20,616,791.67 and 8,413,503.90

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Solution

The fourth proportional to 14,939,900.70, 20,616,791.67 and 8,413,503.90 is: 11,610,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,900.70 : 20,616,791.67 = 8,413,503.90 : x
  2. Step 2: Convert to fraction form
    14,939,900.70/20,616,791.67 = 8,413,503.90/x
  3. Step 3: Cross multiply
    14,939,900.70x = 20,616,791.67 × 8,413,503.90
  4. Step 4: Simplify right side
    14,939,900.70x = 173,459,457,121,032.53
  5. Step 5: Solve for x
    x = 173,459,457,121,032.53/14,939,900.70
  6. Step 6: Final answer
    x = 11,610,482.60

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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.