Home / 12,478,221.63-17,216,993.52-7,248,122.64

Finding the Fourth Proportional to 12,478,221.63, 17,216,993.52 and 7,248,122.64

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Solution

The fourth proportional to 12,478,221.63, 17,216,993.52 and 7,248,122.64 is: 10,000,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,221.63 : 17,216,993.52 = 7,248,122.64 : x
  2. Step 2: Convert to fraction form
    12,478,221.63/17,216,993.52 = 7,248,122.64/x
  3. Step 3: Cross multiply
    12,478,221.63x = 17,216,993.52 × 7,248,122.64
  4. Step 4: Simplify right side
    12,478,221.63x = 124,790,880,525,045.28
  5. Step 5: Solve for x
    x = 124,790,880,525,045.28/12,478,221.63
  6. Step 6: Final answer
    x = 10,000,694.35

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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.