Home / 7,773,012.10-11,661,012.60-2,980,327.60

Finding the Fourth Proportional to 7,773,012.10, 11,661,012.60 and 2,980,327.60

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Solution

The fourth proportional to 7,773,012.10, 11,661,012.60 and 2,980,327.60 is: 4,471,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773,012.10 : 11,661,012.60 = 2,980,327.60 : x
  2. Step 2: Convert to fraction form
    7,773,012.10/11,661,012.60 = 2,980,327.60/x
  3. Step 3: Cross multiply
    7,773,012.10x = 11,661,012.60 × 2,980,327.60
  4. Step 4: Simplify right side
    7,773,012.10x = 34,753,637,695,727.76
  5. Step 5: Solve for x
    x = 34,753,637,695,727.76/7,773,012.10
  6. Step 6: Final answer
    x = 4,471,064.40

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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.