Home / 18,539,239.96-25,583,259.72-10,279,637.92

Finding the Fourth Proportional to 18,539,239.96, 25,583,259.72 and 10,279,637.92

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Solution

The fourth proportional to 18,539,239.96, 25,583,259.72 and 10,279,637.92 is: 14,185,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539,239.96 : 25,583,259.72 = 10,279,637.92 : x
  2. Step 2: Convert to fraction form
    18,539,239.96/25,583,259.72 = 10,279,637.92/x
  3. Step 3: Cross multiply
    18,539,239.96x = 25,583,259.72 × 10,279,637.92
  4. Step 4: Simplify right side
    18,539,239.96x = 262,986,646,734,920.56
  5. Step 5: Solve for x
    x = 262,986,646,734,920.56/18,539,239.96
  6. Step 6: Final answer
    x = 14,185,406.05

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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.