Home / 14,675,440.08-20,218,782.40-11,356,320.08

Finding the Fourth Proportional to 14,675,440.08, 20,218,782.40 and 11,356,320.08

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Solution

The fourth proportional to 14,675,440.08, 20,218,782.40 and 11,356,320.08 is: 15,645,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675,440.08 : 20,218,782.40 = 11,356,320.08 : x
  2. Step 2: Convert to fraction form
    14,675,440.08/20,218,782.40 = 11,356,320.08/x
  3. Step 3: Cross multiply
    14,675,440.08x = 20,218,782.40 × 11,356,320.08
  4. Step 4: Simplify right side
    14,675,440.08x = 229,610,964,562,270.56
  5. Step 5: Solve for x
    x = 229,610,964,562,270.56/14,675,440.08
  6. Step 6: Final answer
    x = 15,645,933.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.