Home / 37,051,577.32-51,131,476.86-20,531,977.78

Finding the Fourth Proportional to 37,051,577.32, 51,131,476.86 and 20,531,977.78

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Solution

The fourth proportional to 37,051,577.32, 51,131,476.86 and 20,531,977.78 is: 28,334,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051,577.32 : 51,131,476.86 = 20,531,977.78 : x
  2. Step 2: Convert to fraction form
    37,051,577.32/51,131,476.86 = 20,531,977.78/x
  3. Step 3: Cross multiply
    37,051,577.32x = 51,131,476.86 × 20,531,977.78
  4. Step 4: Simplify right side
    37,051,577.32x = 1,049,830,346,748,104.25
  5. Step 5: Solve for x
    x = 1,049,830,346,748,104.25/37,051,577.32
  6. Step 6: Final answer
    x = 28,334,295.67

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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.