Home / 12,809,419.16-17,677,253.64-7,008,325.46

Finding the Fourth Proportional to 12,809,419.16, 17,677,253.64 and 7,008,325.46

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Solution

The fourth proportional to 12,809,419.16, 17,677,253.64 and 7,008,325.46 is: 9,671,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,419.16 : 17,677,253.64 = 7,008,325.46 : x
  2. Step 2: Convert to fraction form
    12,809,419.16/17,677,253.64 = 7,008,325.46/x
  3. Step 3: Cross multiply
    12,809,419.16x = 17,677,253.64 × 7,008,325.46
  4. Step 4: Simplify right side
    12,809,419.16x = 123,887,946,659,703.41
  5. Step 5: Solve for x
    x = 123,887,946,659,703.41/12,809,419.16
  6. Step 6: Final answer
    x = 9,671,628.76

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1.5x scale

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.