Home / 8,784,707.34-12,122,811.63-5,062,170.69

Finding the Fourth Proportional to 8,784,707.34, 12,122,811.63 and 5,062,170.69

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Solution

The fourth proportional to 8,784,707.34, 12,122,811.63 and 5,062,170.69 is: 6,985,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,707.34 : 12,122,811.63 = 5,062,170.69 : x
  2. Step 2: Convert to fraction form
    8,784,707.34/12,122,811.63 = 5,062,170.69/x
  3. Step 3: Cross multiply
    8,784,707.34x = 12,122,811.63 × 5,062,170.69
  4. Step 4: Simplify right side
    8,784,707.34x = 61,367,741,713,777.13
  5. Step 5: Solve for x
    x = 61,367,741,713,777.13/8,784,707.34
  6. Step 6: Final answer
    x = 6,985,746.86

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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.