Home / 9,250,465.17-12,765,487.30-5,120,407.72

Finding the Fourth Proportional to 9,250,465.17, 12,765,487.30 and 5,120,407.72

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Solution

The fourth proportional to 9,250,465.17, 12,765,487.30 and 5,120,407.72 is: 7,066,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250,465.17 : 12,765,487.30 = 5,120,407.72 : x
  2. Step 2: Convert to fraction form
    9,250,465.17/12,765,487.30 = 5,120,407.72/x
  3. Step 3: Cross multiply
    9,250,465.17x = 12,765,487.30 × 5,120,407.72
  4. Step 4: Simplify right side
    9,250,465.17x = 65,364,499,720,481.95
  5. Step 5: Solve for x
    x = 65,364,499,720,481.95/9,250,465.17
  6. Step 6: Final answer
    x = 7,066,077.06

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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.