Home / 11,705,423.20-17,555,510.40-7,690,091.20

Finding the Fourth Proportional to 11,705,423.20, 17,555,510.40 and 7,690,091.20

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Solution

The fourth proportional to 11,705,423.20, 17,555,510.40 and 7,690,091.20 is: 11,533,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705,423.20 : 17,555,510.40 = 7,690,091.20 : x
  2. Step 2: Convert to fraction form
    11,705,423.20/17,555,510.40 = 7,690,091.20/x
  3. Step 3: Cross multiply
    11,705,423.20x = 17,555,510.40 × 7,690,091.20
  4. Step 4: Simplify right side
    11,705,423.20x = 135,003,476,038,548.47
  5. Step 5: Solve for x
    x = 135,003,476,038,548.47/11,705,423.20
  6. Step 6: Final answer
    x = 11,533,412.65

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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.