Home / 12,403,104.84-17,120,961.36-7,248,141.72

Finding the Fourth Proportional to 12,403,104.84, 17,120,961.36 and 7,248,141.72

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Solution

The fourth proportional to 12,403,104.84, 17,120,961.36 and 7,248,141.72 is: 10,005,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403,104.84 : 17,120,961.36 = 7,248,141.72 : x
  2. Step 2: Convert to fraction form
    12,403,104.84/17,120,961.36 = 7,248,141.72/x
  3. Step 3: Cross multiply
    12,403,104.84x = 17,120,961.36 × 7,248,141.72
  4. Step 4: Simplify right side
    12,403,104.84x = 124,095,154,319,923.94
  5. Step 5: Solve for x
    x = 124,095,154,319,923.94/12,403,104.84
  6. Step 6: Final answer
    x = 10,005,168.54

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1.5x scale

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.