Home / 7,478,406.20-11,209,736.10-2,927,696.60

Finding the Fourth Proportional to 7,478,406.20, 11,209,736.10 and 2,927,696.60

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Solution

The fourth proportional to 7,478,406.20, 11,209,736.10 and 2,927,696.60 is: 4,388,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,406.20 : 11,209,736.10 = 2,927,696.60 : x
  2. Step 2: Convert to fraction form
    7,478,406.20/11,209,736.10 = 2,927,696.60/x
  3. Step 3: Cross multiply
    7,478,406.20x = 11,209,736.10 × 2,927,696.60
  4. Step 4: Simplify right side
    7,478,406.20x = 32,818,706,266,867.26
  5. Step 5: Solve for x
    x = 32,818,706,266,867.26/7,478,406.20
  6. Step 6: Final answer
    x = 4,388,462.65

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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.