Home / 8,187,661.40-12,281,492.10-2,794,519.40

Finding the Fourth Proportional to 8,187,661.40, 12,281,492.10 and 2,794,519.40

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Solution

The fourth proportional to 8,187,661.40, 12,281,492.10 and 2,794,519.40 is: 4,191,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,661.40 : 12,281,492.10 = 2,794,519.40 : x
  2. Step 2: Convert to fraction form
    8,187,661.40/12,281,492.10 = 2,794,519.40/x
  3. Step 3: Cross multiply
    8,187,661.40x = 12,281,492.10 × 2,794,519.40
  4. Step 4: Simplify right side
    8,187,661.40x = 34,320,867,934,396.74
  5. Step 5: Solve for x
    x = 34,320,867,934,396.74/8,187,661.40
  6. Step 6: Final answer
    x = 4,191,779.10

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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.