Home / 28,409,259.35-39,204,789.52-15,356,518.23

Finding the Fourth Proportional to 28,409,259.35, 39,204,789.52 and 15,356,518.23

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Solution

The fourth proportional to 28,409,259.35, 39,204,789.52 and 15,356,518.23 is: 21,192,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409,259.35 : 39,204,789.52 = 15,356,518.23 : x
  2. Step 2: Convert to fraction form
    28,409,259.35/39,204,789.52 = 15,356,518.23/x
  3. Step 3: Cross multiply
    28,409,259.35x = 39,204,789.52 × 15,356,518.23
  4. Step 4: Simplify right side
    28,409,259.35x = 602,049,064,967,193
  5. Step 5: Solve for x
    x = 602,049,064,967,193/28,409,259.35
  6. Step 6: Final answer
    x = 21,192,001.44

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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.