Home / 21,811,872,840.64-30,101,733,437.04-12,034,962,050.56

Finding the Fourth Proportional to 21,811,872,840.64, 30,101,733,437.04 and 12,034,962,050.56

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Solution

The fourth proportional to 21,811,872,840.64, 30,101,733,437.04 and 12,034,962,050.56 is: 16,608,991,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,872,840.64 : 30,101,733,437.04 = 12,034,962,050.56 : x
  2. Step 2: Convert to fraction form
    21,811,872,840.64/30,101,733,437.04 = 12,034,962,050.56/x
  3. Step 3: Cross multiply
    21,811,872,840.64x = 30,101,733,437.04 × 12,034,962,050.56
  4. Step 4: Simplify right side
    21,811,872,840.64x = 362,273,219,570,849,415,168
  5. Step 5: Solve for x
    x = 362,273,219,570,849,415,168/21,811,872,840.64
  6. Step 6: Final answer
    x = 16,608,991,910.86

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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.