Home / 25,991,189.16-39,009,178.62-18,018,611.88

Finding the Fourth Proportional to 25,991,189.16, 39,009,178.62 and 18,018,611.88

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Solution

The fourth proportional to 25,991,189.16, 39,009,178.62 and 18,018,611.88 is: 27,043,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991,189.16 : 39,009,178.62 = 18,018,611.88 : x
  2. Step 2: Convert to fraction form
    25,991,189.16/39,009,178.62 = 18,018,611.88/x
  3. Step 3: Cross multiply
    25,991,189.16x = 39,009,178.62 × 18,018,611.88
  4. Step 4: Simplify right side
    25,991,189.16x = 702,891,249,311,373.88
  5. Step 5: Solve for x
    x = 702,891,249,311,373.88/25,991,189.16
  6. Step 6: Final answer
    x = 27,043,443.26

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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.