Home / 18,141,903.42-25,035,828.87-9,993,141.42

Finding the Fourth Proportional to 18,141,903.42, 25,035,828.87 and 9,993,141.42

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Solution

The fourth proportional to 18,141,903.42, 25,035,828.87 and 9,993,141.42 is: 13,790,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,903.42 : 25,035,828.87 = 9,993,141.42 : x
  2. Step 2: Convert to fraction form
    18,141,903.42/25,035,828.87 = 9,993,141.42/x
  3. Step 3: Cross multiply
    18,141,903.42x = 25,035,828.87 × 9,993,141.42
  4. Step 4: Simplify right side
    18,141,903.42x = 250,186,578,464,828.81
  5. Step 5: Solve for x
    x = 250,186,578,464,828.81/18,141,903.42
  6. Step 6: Final answer
    x = 13,790,536.34

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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.