Home / 21,242,275,237.86-31,847,704,538.50-12,846,314,302.58

Finding the Fourth Proportional to 21,242,275,237.86, 31,847,704,538.50 and 12,846,314,302.58

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Solution

The fourth proportional to 21,242,275,237.86, 31,847,704,538.50 and 12,846,314,302.58 is: 19,259,971,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,237.86 : 31,847,704,538.50 = 12,846,314,302.58 : x
  2. Step 2: Convert to fraction form
    21,242,275,237.86/31,847,704,538.50 = 12,846,314,302.58/x
  3. Step 3: Cross multiply
    21,242,275,237.86x = 31,847,704,538.50 × 12,846,314,302.58
  4. Step 4: Simplify right side
    21,242,275,237.86x = 409,125,622,317,274,497,024
  5. Step 5: Solve for x
    x = 409,125,622,317,274,497,024/21,242,275,237.86
  6. Step 6: Final answer
    x = 19,259,971,812.63

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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.