Home / 18,269,139.96-25,211,412.59-10,009,515.51

Finding the Fourth Proportional to 18,269,139.96, 25,211,412.59 and 10,009,515.51

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Solution

The fourth proportional to 18,269,139.96, 25,211,412.59 and 10,009,515.51 is: 13,813,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,139.96 : 25,211,412.59 = 10,009,515.51 : x
  2. Step 2: Convert to fraction form
    18,269,139.96/25,211,412.59 = 10,009,515.51/x
  3. Step 3: Cross multiply
    18,269,139.96x = 25,211,412.59 × 10,009,515.51
  4. Step 4: Simplify right side
    18,269,139.96x = 252,354,025,222,557.22
  5. Step 5: Solve for x
    x = 252,354,025,222,557.22/18,269,139.96
  6. Step 6: Final answer
    x = 13,813,131.10

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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.