Home / 12,711,368.40-19,067,052.60-11,451,656.40

Finding the Fourth Proportional to 12,711,368.40, 19,067,052.60 and 11,451,656.40

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Solution

The fourth proportional to 12,711,368.40, 19,067,052.60 and 11,451,656.40 is: 17,177,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,368.40 : 19,067,052.60 = 11,451,656.40 : x
  2. Step 2: Convert to fraction form
    12,711,368.40/19,067,052.60 = 11,451,656.40/x
  3. Step 3: Cross multiply
    12,711,368.40x = 19,067,052.60 × 11,451,656.40
  4. Step 4: Simplify right side
    12,711,368.40x = 218,349,334,935,926.66
  5. Step 5: Solve for x
    x = 218,349,334,935,926.66/12,711,368.40
  6. Step 6: Final answer
    x = 17,177,484.60

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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.