Home / 12,483,312,747.70-18,724,969,121.55-11,340,502,021.30

Finding the Fourth Proportional to 12,483,312,747.70, 18,724,969,121.55 and 11,340,502,021.30

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Solution

The fourth proportional to 12,483,312,747.70, 18,724,969,121.55 and 11,340,502,021.30 is: 17,010,753,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,312,747.70 : 18,724,969,121.55 = 11,340,502,021.30 : x
  2. Step 2: Convert to fraction form
    12,483,312,747.70/18,724,969,121.55 = 11,340,502,021.30/x
  3. Step 3: Cross multiply
    12,483,312,747.70x = 18,724,969,121.55 × 11,340,502,021.30
  4. Step 4: Simplify right side
    12,483,312,747.70x = 212,350,550,171,717,828,608
  5. Step 5: Solve for x
    x = 212,350,550,171,717,828,608/12,483,312,747.70
  6. Step 6: Final answer
    x = 17,010,753,031.95

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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.