Home / 10,430,137.10-15,645,205.65-6,837,989.60

Finding the Fourth Proportional to 10,430,137.10, 15,645,205.65 and 6,837,989.60

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Solution

The fourth proportional to 10,430,137.10, 15,645,205.65 and 6,837,989.60 is: 10,256,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,137.10 : 15,645,205.65 = 6,837,989.60 : x
  2. Step 2: Convert to fraction form
    10,430,137.10/15,645,205.65 = 6,837,989.60/x
  3. Step 3: Cross multiply
    10,430,137.10x = 15,645,205.65 × 6,837,989.60
  4. Step 4: Simplify right side
    10,430,137.10x = 106,981,753,524,561.23
  5. Step 5: Solve for x
    x = 106,981,753,524,561.23/10,430,137.10
  6. Step 6: Final answer
    x = 10,256,984.40

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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.