Home / 17,980,853.20-26,971,279.80-11,934,235.60

Finding the Fourth Proportional to 17,980,853.20, 26,971,279.80 and 11,934,235.60

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Solution

The fourth proportional to 17,980,853.20, 26,971,279.80 and 11,934,235.60 is: 17,901,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980,853.20 : 26,971,279.80 = 11,934,235.60 : x
  2. Step 2: Convert to fraction form
    17,980,853.20/26,971,279.80 = 11,934,235.60/x
  3. Step 3: Cross multiply
    17,980,853.20x = 26,971,279.80 × 11,934,235.60
  4. Step 4: Simplify right side
    17,980,853.20x = 321,881,607,566,720.88
  5. Step 5: Solve for x
    x = 321,881,607,566,720.88/17,980,853.20
  6. Step 6: Final answer
    x = 17,901,353.40

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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.