Home / 12,499,992.09-17,252,686.80-7,606,790.60

Finding the Fourth Proportional to 12,499,992.09, 17,252,686.80 and 7,606,790.60

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Solution

The fourth proportional to 12,499,992.09, 17,252,686.80 and 7,606,790.60 is: 10,499,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499,992.09 : 17,252,686.80 = 7,606,790.60 : x
  2. Step 2: Convert to fraction form
    12,499,992.09/17,252,686.80 = 7,606,790.60/x
  3. Step 3: Cross multiply
    12,499,992.09x = 17,252,686.80 × 7,606,790.60
  4. Step 4: Simplify right side
    12,499,992.09x = 131,237,575,688,720.64
  5. Step 5: Solve for x
    x = 131,237,575,688,720.64/12,499,992.09
  6. Step 6: Final answer
    x = 10,499,012.70

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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.