Home / 8,465,390.84-11,680,238.06-4,980,881.72

Finding the Fourth Proportional to 8,465,390.84, 11,680,238.06 and 4,980,881.72

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Solution

The fourth proportional to 8,465,390.84, 11,680,238.06 and 4,980,881.72 is: 6,872,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,390.84 : 11,680,238.06 = 4,980,881.72 : x
  2. Step 2: Convert to fraction form
    8,465,390.84/11,680,238.06 = 4,980,881.72/x
  3. Step 3: Cross multiply
    8,465,390.84x = 11,680,238.06 × 4,980,881.72
  4. Step 4: Simplify right side
    8,465,390.84x = 58,177,884,238,302.27
  5. Step 5: Solve for x
    x = 58,177,884,238,302.27/8,465,390.84
  6. Step 6: Final answer
    x = 6,872,439.25

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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.