Home / 14,011,808.40-21,017,712.60-7,944,195.60

Finding the Fourth Proportional to 14,011,808.40, 21,017,712.60 and 7,944,195.60

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Solution

The fourth proportional to 14,011,808.40, 21,017,712.60 and 7,944,195.60 is: 11,916,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,808.40 : 21,017,712.60 = 7,944,195.60 : x
  2. Step 2: Convert to fraction form
    14,011,808.40/21,017,712.60 = 7,944,195.60/x
  3. Step 3: Cross multiply
    14,011,808.40x = 21,017,712.60 × 7,944,195.60
  4. Step 4: Simplify right side
    14,011,808.40x = 166,968,819,958,984.56
  5. Step 5: Solve for x
    x = 166,968,819,958,984.56/14,011,808.40
  6. Step 6: Final answer
    x = 11,916,293.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.