Home / 17,389,148.40-26,083,722.60-10,661,353.20

Finding the Fourth Proportional to 17,389,148.40, 26,083,722.60 and 10,661,353.20

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Solution

The fourth proportional to 17,389,148.40, 26,083,722.60 and 10,661,353.20 is: 15,992,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389,148.40 : 26,083,722.60 = 10,661,353.20 : x
  2. Step 2: Convert to fraction form
    17,389,148.40/26,083,722.60 = 10,661,353.20/x
  3. Step 3: Cross multiply
    17,389,148.40x = 26,083,722.60 × 10,661,353.20
  4. Step 4: Simplify right side
    17,389,148.40x = 278,087,779,409,422.31
  5. Step 5: Solve for x
    x = 278,087,779,409,422.31/17,389,148.40
  6. Step 6: Final answer
    x = 15,992,029.80

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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.