Home / 8,701,628.70-13,040,001.45-6,409,263.90

Finding the Fourth Proportional to 8,701,628.70, 13,040,001.45 and 6,409,263.90

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Solution

The fourth proportional to 8,701,628.70, 13,040,001.45 and 6,409,263.90 is: 9,604,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,628.70 : 13,040,001.45 = 6,409,263.90 : x
  2. Step 2: Convert to fraction form
    8,701,628.70/13,040,001.45 = 6,409,263.90/x
  3. Step 3: Cross multiply
    8,701,628.70x = 13,040,001.45 × 6,409,263.90
  4. Step 4: Simplify right side
    8,701,628.70x = 83,576,810,549,432.66
  5. Step 5: Solve for x
    x = 83,576,810,549,432.66/8,701,628.70
  6. Step 6: Final answer
    x = 9,604,731.88

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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.