Home / 9,242,367.39-12,753,485.13-5,111,742.21

Finding the Fourth Proportional to 9,242,367.39, 12,753,485.13 and 5,111,742.21

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Solution

The fourth proportional to 9,242,367.39, 12,753,485.13 and 5,111,742.21 is: 7,053,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242,367.39 : 12,753,485.13 = 5,111,742.21 : x
  2. Step 2: Convert to fraction form
    9,242,367.39/12,753,485.13 = 5,111,742.21/x
  3. Step 3: Cross multiply
    9,242,367.39x = 12,753,485.13 × 5,111,742.21
  4. Step 4: Simplify right side
    9,242,367.39x = 65,192,528,263,628.34
  5. Step 5: Solve for x
    x = 65,192,528,263,628.34/9,242,367.39
  6. Step 6: Final answer
    x = 7,053,661.20

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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.