Home / 7,153,581.40-10,730,375-1,762,336.69

Finding the Fourth Proportional to 7,153,581.40, 10,730,375 and 1,762,336.69

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Solution

The fourth proportional to 7,153,581.40, 10,730,375 and 1,762,336.69 is: 2,643,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,581.40 : 10,730,375 = 1,762,336.69 : x
  2. Step 2: Convert to fraction form
    7,153,581.40/10,730,375 = 1,762,336.69/x
  3. Step 3: Cross multiply
    7,153,581.40x = 10,730,375 × 1,762,336.69
  4. Step 4: Simplify right side
    7,153,581.40x = 18,910,533,559,958.75
  5. Step 5: Solve for x
    x = 18,910,533,559,958.75/7,153,581.40
  6. Step 6: Final answer
    x = 2,643,505.75

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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.