Home / 12,632,651.40-18,948,977.10-11,038,328.40

Finding the Fourth Proportional to 12,632,651.40, 18,948,977.10 and 11,038,328.40

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Solution

The fourth proportional to 12,632,651.40, 18,948,977.10 and 11,038,328.40 is: 16,557,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,651.40 : 18,948,977.10 = 11,038,328.40 : x
  2. Step 2: Convert to fraction form
    12,632,651.40/18,948,977.10 = 11,038,328.40/x
  3. Step 3: Cross multiply
    12,632,651.40x = 18,948,977.10 × 11,038,328.40
  4. Step 4: Simplify right side
    12,632,651.40x = 209,165,032,073,879.66
  5. Step 5: Solve for x
    x = 209,165,032,073,879.66/12,632,651.40
  6. Step 6: Final answer
    x = 16,557,492.60

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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.