Home / 8,602,605.10-12,903,940.91-3,485,131.72

Finding the Fourth Proportional to 8,602,605.10, 12,903,940.91 and 3,485,131.72

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Solution

The fourth proportional to 8,602,605.10, 12,903,940.91 and 3,485,131.72 is: 5,227,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602,605.10 : 12,903,940.91 = 3,485,131.72 : x
  2. Step 2: Convert to fraction form
    8,602,605.10/12,903,940.91 = 3,485,131.72/x
  3. Step 3: Cross multiply
    8,602,605.10x = 12,903,940.91 × 3,485,131.72
  4. Step 4: Simplify right side
    8,602,605.10x = 44,971,933,754,899.64
  5. Step 5: Solve for x
    x = 44,971,933,754,899.64/8,602,605.10
  6. Step 6: Final answer
    x = 5,227,711.05

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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.