Home / 25,608,019.80-38,412,029.70-21,184,339.80

Finding the Fourth Proportional to 25,608,019.80, 38,412,029.70 and 21,184,339.80

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Solution

The fourth proportional to 25,608,019.80, 38,412,029.70 and 21,184,339.80 is: 31,776,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608,019.80 : 38,412,029.70 = 21,184,339.80 : x
  2. Step 2: Convert to fraction form
    25,608,019.80/38,412,029.70 = 21,184,339.80/x
  3. Step 3: Cross multiply
    25,608,019.80x = 38,412,029.70 × 21,184,339.80
  4. Step 4: Simplify right side
    25,608,019.80x = 813,733,489,572,492.12
  5. Step 5: Solve for x
    x = 813,733,489,572,492.12/25,608,019.80
  6. Step 6: Final answer
    x = 31,776,509.70

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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.