Home / 9,018,319.68-12,444,811.20-5,150,085.12

Finding the Fourth Proportional to 9,018,319.68, 12,444,811.20 and 5,150,085.12

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Solution

The fourth proportional to 9,018,319.68, 12,444,811.20 and 5,150,085.12 is: 7,106,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,319.68 : 12,444,811.20 = 5,150,085.12 : x
  2. Step 2: Convert to fraction form
    9,018,319.68/12,444,811.20 = 5,150,085.12/x
  3. Step 3: Cross multiply
    9,018,319.68x = 12,444,811.20 × 5,150,085.12
  4. Step 4: Simplify right side
    9,018,319.68x = 64,091,836,982,329.34
  5. Step 5: Solve for x
    x = 64,091,836,982,329.34/9,018,319.68
  6. Step 6: Final answer
    x = 7,106,849.09

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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.