Home / 10,355,492.95-15,533,231.22-2,782,458.70

Finding the Fourth Proportional to 10,355,492.95, 15,533,231.22 and 2,782,458.70

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Solution

The fourth proportional to 10,355,492.95, 15,533,231.22 and 2,782,458.70 is: 4,173,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,492.95 : 15,533,231.22 = 2,782,458.70 : x
  2. Step 2: Convert to fraction form
    10,355,492.95/15,533,231.22 = 2,782,458.70/x
  3. Step 3: Cross multiply
    10,355,492.95x = 15,533,231.22 × 2,782,458.70
  4. Step 4: Simplify right side
    10,355,492.95x = 43,220,574,347,200.62
  5. Step 5: Solve for x
    x = 43,220,574,347,200.62/10,355,492.95
  6. Step 6: Final answer
    x = 4,173,685.85

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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.