Home / 18,992,389.50-26,209,460.88-10,290,797.64

Finding the Fourth Proportional to 18,992,389.50, 26,209,460.88 and 10,290,797.64

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Solution

The fourth proportional to 18,992,389.50, 26,209,460.88 and 10,290,797.64 is: 14,201,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,389.50 : 26,209,460.88 = 10,290,797.64 : x
  2. Step 2: Convert to fraction form
    18,992,389.50/26,209,460.88 = 10,290,797.64/x
  3. Step 3: Cross multiply
    18,992,389.50x = 26,209,460.88 × 10,290,797.64
  4. Step 4: Simplify right side
    18,992,389.50x = 269,716,258,169,576.31
  5. Step 5: Solve for x
    x = 269,716,258,169,576.31/18,992,389.50
  6. Step 6: Final answer
    x = 14,201,280.90

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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.