Home / 11,500,697.60-17,251,046.40-7,021,721.60

Finding the Fourth Proportional to 11,500,697.60, 17,251,046.40 and 7,021,721.60

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Solution

The fourth proportional to 11,500,697.60, 17,251,046.40 and 7,021,721.60 is: 10,532,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500,697.60 : 17,251,046.40 = 7,021,721.60 : x
  2. Step 2: Convert to fraction form
    11,500,697.60/17,251,046.40 = 7,021,721.60/x
  3. Step 3: Cross multiply
    11,500,697.60x = 17,251,046.40 × 7,021,721.60
  4. Step 4: Simplify right side
    11,500,697.60x = 121,132,045,129,482.22
  5. Step 5: Solve for x
    x = 121,132,045,129,482.22/11,500,697.60
  6. Step 6: Final answer
    x = 10,532,582.40

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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.