Home / 12,577,739.90-17,357,176.69-7,071,139.30

Finding the Fourth Proportional to 12,577,739.90, 17,357,176.69 and 7,071,139.30

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Solution

The fourth proportional to 12,577,739.90, 17,357,176.69 and 7,071,139.30 is: 9,758,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,739.90 : 17,357,176.69 = 7,071,139.30 : x
  2. Step 2: Convert to fraction form
    12,577,739.90/17,357,176.69 = 7,071,139.30/x
  3. Step 3: Cross multiply
    12,577,739.90x = 17,357,176.69 × 7,071,139.30
  4. Step 4: Simplify right side
    12,577,739.90x = 122,735,014,229,702.92
  5. Step 5: Solve for x
    x = 122,735,014,229,702.92/12,577,739.90
  6. Step 6: Final answer
    x = 9,758,113.56

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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.