Home / 21,038,670,262.68-29,033,380,615.55-11,393,475,103.86

Finding the Fourth Proportional to 21,038,670,262.68, 29,033,380,615.55 and 11,393,475,103.86

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Solution

The fourth proportional to 21,038,670,262.68, 29,033,380,615.55 and 11,393,475,103.86 is: 15,723,004,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,262.68 : 29,033,380,615.55 = 11,393,475,103.86 : x
  2. Step 2: Convert to fraction form
    21,038,670,262.68/29,033,380,615.55 = 11,393,475,103.86/x
  3. Step 3: Cross multiply
    21,038,670,262.68x = 29,033,380,615.55 × 11,393,475,103.86
  4. Step 4: Simplify right side
    21,038,670,262.68x = 330,791,099,224,103,452,672
  5. Step 5: Solve for x
    x = 330,791,099,224,103,452,672/21,038,670,262.68
  6. Step 6: Final answer
    x = 15,723,004,120.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.