Home / 9,478,903.49-13,081,257.69-5,558,114.69

Finding the Fourth Proportional to 9,478,903.49, 13,081,257.69 and 5,558,114.69

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Solution

The fourth proportional to 9,478,903.49, 13,081,257.69 and 5,558,114.69 is: 7,670,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,903.49 : 13,081,257.69 = 5,558,114.69 : x
  2. Step 2: Convert to fraction form
    9,478,903.49/13,081,257.69 = 5,558,114.69/x
  3. Step 3: Cross multiply
    9,478,903.49x = 13,081,257.69 × 5,558,114.69
  4. Step 4: Simplify right side
    9,478,903.49x = 72,707,130,530,464.47
  5. Step 5: Solve for x
    x = 72,707,130,530,464.47/9,478,903.49
  6. Step 6: Final answer
    x = 7,670,415.74

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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.