Home / 10,355,492.45-15,533,230.47-2,782,458.20

Finding the Fourth Proportional to 10,355,492.45, 15,533,230.47 and 2,782,458.20

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Solution

The fourth proportional to 10,355,492.45, 15,533,230.47 and 2,782,458.20 is: 4,173,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,492.45 : 15,533,230.47 = 2,782,458.20 : x
  2. Step 2: Convert to fraction form
    10,355,492.45/15,533,230.47 = 2,782,458.20/x
  3. Step 3: Cross multiply
    10,355,492.45x = 15,533,230.47 × 2,782,458.20
  4. Step 4: Simplify right side
    10,355,492.45x = 43,220,564,479,829.06
  5. Step 5: Solve for x
    x = 43,220,564,479,829.06/10,355,492.45
  6. Step 6: Final answer
    x = 4,173,685.09

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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.