Home / 12,805,698.44-17,671,656.20-7,004,429.44

Finding the Fourth Proportional to 12,805,698.44, 17,671,656.20 and 7,004,429.44

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Solution

The fourth proportional to 12,805,698.44, 17,671,656.20 and 7,004,429.44 is: 9,665,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,698.44 : 17,671,656.20 = 7,004,429.44 : x
  2. Step 2: Convert to fraction form
    12,805,698.44/17,671,656.20 = 7,004,429.44/x
  3. Step 3: Cross multiply
    12,805,698.44x = 17,671,656.20 × 7,004,429.44
  4. Step 4: Simplify right side
    12,805,698.44x = 123,779,868,861,637.25
  5. Step 5: Solve for x
    x = 123,779,868,861,637.25/12,805,698.44
  6. Step 6: Final answer
    x = 9,665,999.04

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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.