Home / 12,711,278.40-19,066,917.60-11,451,566.40

Finding the Fourth Proportional to 12,711,278.40, 19,066,917.60 and 11,451,566.40

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Solution

The fourth proportional to 12,711,278.40, 19,066,917.60 and 11,451,566.40 is: 17,177,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,278.40 : 19,066,917.60 = 11,451,566.40 : x
  2. Step 2: Convert to fraction form
    12,711,278.40/19,066,917.60 = 11,451,566.40/x
  3. Step 3: Cross multiply
    12,711,278.40x = 19,066,917.60 × 11,451,566.40
  4. Step 4: Simplify right side
    12,711,278.40x = 218,346,072,939,728.66
  5. Step 5: Solve for x
    x = 218,346,072,939,728.66/12,711,278.40
  6. Step 6: Final answer
    x = 17,177,349.60

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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.