Home / 7,920,500.05-10,928,416.67-4,482,741.08

Finding the Fourth Proportional to 7,920,500.05, 10,928,416.67 and 4,482,741.08

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Solution

The fourth proportional to 7,920,500.05, 10,928,416.67 and 4,482,741.08 is: 6,185,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,500.05 : 10,928,416.67 = 4,482,741.08 : x
  2. Step 2: Convert to fraction form
    7,920,500.05/10,928,416.67 = 4,482,741.08/x
  3. Step 3: Cross multiply
    7,920,500.05x = 10,928,416.67 × 4,482,741.08
  4. Step 4: Simplify right side
    7,920,500.05x = 48,989,262,392,898.83
  5. Step 5: Solve for x
    x = 48,989,262,392,898.83/7,920,500.05
  6. Step 6: Final answer
    x = 6,185,122.41

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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.