Home / 12,844,455-17,725,885.74-7,043,460.18

Finding the Fourth Proportional to 12,844,455, 17,725,885.74 and 7,043,460.18

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Solution

The fourth proportional to 12,844,455, 17,725,885.74 and 7,043,460.18 is: 9,720,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844,455 : 17,725,885.74 = 7,043,460.18 : x
  2. Step 2: Convert to fraction form
    12,844,455/17,725,885.74 = 7,043,460.18/x
  3. Step 3: Cross multiply
    12,844,455x = 17,725,885.74 × 7,043,460.18
  4. Step 4: Simplify right side
    12,844,455x = 124,851,570,364,919.81
  5. Step 5: Solve for x
    x = 124,851,570,364,919.81/12,844,455
  6. Step 6: Final answer
    x = 9,720,269.98

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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.