Home / 8,461,580.83-12,698,534.50-3,070,665.45

Finding the Fourth Proportional to 8,461,580.83, 12,698,534.50 and 3,070,665.45

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Solution

The fourth proportional to 8,461,580.83, 12,698,534.50 and 3,070,665.45 is: 4,608,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,580.83 : 12,698,534.50 = 3,070,665.45 : x
  2. Step 2: Convert to fraction form
    8,461,580.83/12,698,534.50 = 3,070,665.45/x
  3. Step 3: Cross multiply
    8,461,580.83x = 12,698,534.50 × 3,070,665.45
  4. Step 4: Simplify right side
    8,461,580.83x = 38,992,951,147,106.37
  5. Step 5: Solve for x
    x = 38,992,951,147,106.37/8,461,580.83
  6. Step 6: Final answer
    x = 4,608,234.79

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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.