Home / 12,577,741.53-17,357,178.93-7,071,140.92

Finding the Fourth Proportional to 12,577,741.53, 17,357,178.93 and 7,071,140.92

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Solution

The fourth proportional to 12,577,741.53, 17,357,178.93 and 7,071,140.92 is: 9,758,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,741.53 : 17,357,178.93 = 7,071,140.92 : x
  2. Step 2: Convert to fraction form
    12,577,741.53/17,357,178.93 = 7,071,140.92/x
  3. Step 3: Cross multiply
    12,577,741.53x = 17,357,178.93 × 7,071,140.92
  4. Step 4: Simplify right side
    12,577,741.53x = 122,735,058,187,684.81
  5. Step 5: Solve for x
    x = 122,735,058,187,684.81/12,577,741.53
  6. Step 6: Final answer
    x = 9,758,115.79

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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.