Home / 12,884,855.07-19,327,282.59-3,909,407.07

Finding the Fourth Proportional to 12,884,855.07, 19,327,282.59 and 3,909,407.07

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Solution

The fourth proportional to 12,884,855.07, 19,327,282.59 and 3,909,407.07 is: 5,864,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,855.07 : 19,327,282.59 = 3,909,407.07 : x
  2. Step 2: Convert to fraction form
    12,884,855.07/19,327,282.59 = 3,909,407.07/x
  3. Step 3: Cross multiply
    12,884,855.07x = 19,327,282.59 × 3,909,407.07
  4. Step 4: Simplify right side
    12,884,855.07x = 75,558,215,201,233.91
  5. Step 5: Solve for x
    x = 75,558,215,201,233.91/12,884,855.07
  6. Step 6: Final answer
    x = 5,864,110.60

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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.