Home / 8,501,645.10-12,777,350.85-7,406,784.30

Finding the Fourth Proportional to 8,501,645.10, 12,777,350.85 and 7,406,784.30

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Solution

The fourth proportional to 8,501,645.10, 12,777,350.85 and 7,406,784.30 is: 11,131,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,645.10 : 12,777,350.85 = 7,406,784.30 : x
  2. Step 2: Convert to fraction form
    8,501,645.10/12,777,350.85 = 7,406,784.30/x
  3. Step 3: Cross multiply
    8,501,645.10x = 12,777,350.85 × 7,406,784.30
  4. Step 4: Simplify right side
    8,501,645.10x = 94,639,081,671,371.66
  5. Step 5: Solve for x
    x = 94,639,081,671,371.66/8,501,645.10
  6. Step 6: Final answer
    x = 11,131,855.14

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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.