Home / 12,839,597.10-17,716,751.75-7,807,779.63

Finding the Fourth Proportional to 12,839,597.10, 17,716,751.75 and 7,807,779.63

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Solution

The fourth proportional to 12,839,597.10, 17,716,751.75 and 7,807,779.63 is: 10,773,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,597.10 : 17,716,751.75 = 7,807,779.63 : x
  2. Step 2: Convert to fraction form
    12,839,597.10/17,716,751.75 = 7,807,779.63/x
  3. Step 3: Cross multiply
    12,839,597.10x = 17,716,751.75 × 7,807,779.63
  4. Step 4: Simplify right side
    12,839,597.10x = 138,328,493,384,377.95
  5. Step 5: Solve for x
    x = 138,328,493,384,377.95/12,839,597.10
  6. Step 6: Final answer
    x = 10,773,585.21

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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.