Home / 8,289,628.80-12,434,443.20-4,702,402.05

Finding the Fourth Proportional to 8,289,628.80, 12,434,443.20 and 4,702,402.05

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Solution

The fourth proportional to 8,289,628.80, 12,434,443.20 and 4,702,402.05 is: 7,053,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,628.80 : 12,434,443.20 = 4,702,402.05 : x
  2. Step 2: Convert to fraction form
    8,289,628.80/12,434,443.20 = 4,702,402.05/x
  3. Step 3: Cross multiply
    8,289,628.80x = 12,434,443.20 × 4,702,402.05
  4. Step 4: Simplify right side
    8,289,628.80x = 58,471,751,194,288.55
  5. Step 5: Solve for x
    x = 58,471,751,194,288.55/8,289,628.80
  6. Step 6: Final answer
    x = 7,053,603.08

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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.