Home / 8,639,530.16-11,922,592.21-4,719,340.57

Finding the Fourth Proportional to 8,639,530.16, 11,922,592.21 and 4,719,340.57

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Solution

The fourth proportional to 8,639,530.16, 11,922,592.21 and 4,719,340.57 is: 6,512,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,530.16 : 11,922,592.21 = 4,719,340.57 : x
  2. Step 2: Convert to fraction form
    8,639,530.16/11,922,592.21 = 4,719,340.57/x
  3. Step 3: Cross multiply
    8,639,530.16x = 11,922,592.21 × 4,719,340.57
  4. Step 4: Simplify right side
    8,639,530.16x = 56,266,773,137,021.38
  5. Step 5: Solve for x
    x = 56,266,773,137,021.38/8,639,530.16
  6. Step 6: Final answer
    x = 6,512,712.16

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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.