Home / 18,270,155.34-25,211,850.48-10,429,356.04

Finding the Fourth Proportional to 18,270,155.34, 25,211,850.48 and 10,429,356.04

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Solution

The fourth proportional to 18,270,155.34, 25,211,850.48 and 10,429,356.04 is: 14,391,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,155.34 : 25,211,850.48 = 10,429,356.04 : x
  2. Step 2: Convert to fraction form
    18,270,155.34/25,211,850.48 = 10,429,356.04/x
  3. Step 3: Cross multiply
    18,270,155.34x = 25,211,850.48 × 10,429,356.04
  4. Step 4: Simplify right side
    18,270,155.34x = 262,943,365,020,135.28
  5. Step 5: Solve for x
    x = 262,943,365,020,135.28/18,270,155.34
  6. Step 6: Final answer
    x = 14,391,961.10

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1.5x scale

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.