Home / 18,365,112.80-27,516,176.40-11,972,074.40

Finding the Fourth Proportional to 18,365,112.80, 27,516,176.40 and 11,972,074.40

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Solution

The fourth proportional to 18,365,112.80, 27,516,176.40 and 11,972,074.40 is: 17,937,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,112.80 : 27,516,176.40 = 11,972,074.40 : x
  2. Step 2: Convert to fraction form
    18,365,112.80/27,516,176.40 = 11,972,074.40/x
  3. Step 3: Cross multiply
    18,365,112.80x = 27,516,176.40 × 11,972,074.40
  4. Step 4: Simplify right side
    18,365,112.80x = 329,425,711,064,324.12
  5. Step 5: Solve for x
    x = 329,425,711,064,324.12/18,365,112.80
  6. Step 6: Final answer
    x = 17,937,581.69

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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.