Home / 25,124,447.20-37,686,670.80-9,978,378.70

Finding the Fourth Proportional to 25,124,447.20, 37,686,670.80 and 9,978,378.70

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Solution

The fourth proportional to 25,124,447.20, 37,686,670.80 and 9,978,378.70 is: 14,967,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124,447.20 : 37,686,670.80 = 9,978,378.70 : x
  2. Step 2: Convert to fraction form
    25,124,447.20/37,686,670.80 = 9,978,378.70/x
  3. Step 3: Cross multiply
    25,124,447.20x = 37,686,670.80 × 9,978,378.70
  4. Step 4: Simplify right side
    25,124,447.20x = 376,051,873,184,631.88
  5. Step 5: Solve for x
    x = 376,051,873,184,631.88/25,124,447.20
  6. Step 6: Final answer
    x = 14,967,568.05

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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.