Home / 18,455,435.28-25,283,525.76-17,765,412.48

Finding the Fourth Proportional to 18,455,435.28, 25,283,525.76 and 17,765,412.48

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Solution

The fourth proportional to 18,455,435.28, 25,283,525.76 and 17,765,412.48 is: 24,338,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,435.28 : 25,283,525.76 = 17,765,412.48 : x
  2. Step 2: Convert to fraction form
    18,455,435.28/25,283,525.76 = 17,765,412.48/x
  3. Step 3: Cross multiply
    18,455,435.28x = 25,283,525.76 × 17,765,412.48
  4. Step 4: Simplify right side
    18,455,435.28x = 449,172,264,075,105.50
  5. Step 5: Solve for x
    x = 449,172,264,075,105.50/18,455,435.28
  6. Step 6: Final answer
    x = 24,338,210.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.