Home / 10,321,330.10-15,477,329.55-4,638,629.30

Finding the Fourth Proportional to 10,321,330.10, 15,477,329.55 and 4,638,629.30

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Solution

The fourth proportional to 10,321,330.10, 15,477,329.55 and 4,638,629.30 is: 6,955,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321,330.10 : 15,477,329.55 = 4,638,629.30 : x
  2. Step 2: Convert to fraction form
    10,321,330.10/15,477,329.55 = 4,638,629.30/x
  3. Step 3: Cross multiply
    10,321,330.10x = 15,477,329.55 × 4,638,629.30
  4. Step 4: Simplify right side
    10,321,330.10x = 71,793,594,336,385.81
  5. Step 5: Solve for x
    x = 71,793,594,336,385.81/10,321,330.10
  6. Step 6: Final answer
    x = 6,955,847.13

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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.