Home / 13,603,969.25-18,772,616.32-7,492,397.75

Finding the Fourth Proportional to 13,603,969.25, 18,772,616.32 and 7,492,397.75

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Solution

The fourth proportional to 13,603,969.25, 18,772,616.32 and 7,492,397.75 is: 10,339,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,969.25 : 18,772,616.32 = 7,492,397.75 : x
  2. Step 2: Convert to fraction form
    13,603,969.25/18,772,616.32 = 7,492,397.75/x
  3. Step 3: Cross multiply
    13,603,969.25x = 18,772,616.32 × 7,492,397.75
  4. Step 4: Simplify right side
    13,603,969.25x = 140,651,908,146,256.22
  5. Step 5: Solve for x
    x = 140,651,908,146,256.22/13,603,969.25
  6. Step 6: Final answer
    x = 10,339,034.56

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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.