Home / 7,477,071.39-10,318,422.87-4,213,260.63

Finding the Fourth Proportional to 7,477,071.39, 10,318,422.87 and 4,213,260.63

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Solution

The fourth proportional to 7,477,071.39, 10,318,422.87 and 4,213,260.63 is: 5,814,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,071.39 : 10,318,422.87 = 4,213,260.63 : x
  2. Step 2: Convert to fraction form
    7,477,071.39/10,318,422.87 = 4,213,260.63/x
  3. Step 3: Cross multiply
    7,477,071.39x = 10,318,422.87 × 4,213,260.63
  4. Step 4: Simplify right side
    7,477,071.39x = 43,474,204,841,862.60
  5. Step 5: Solve for x
    x = 43,474,204,841,862.60/7,477,071.39
  6. Step 6: Final answer
    x = 5,814,335.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.