Home / 8,791,633.80-13,187,450.70-5,390,411.40

Finding the Fourth Proportional to 8,791,633.80, 13,187,450.70 and 5,390,411.40

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Solution

The fourth proportional to 8,791,633.80, 13,187,450.70 and 5,390,411.40 is: 8,085,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,633.80 : 13,187,450.70 = 5,390,411.40 : x
  2. Step 2: Convert to fraction form
    8,791,633.80/13,187,450.70 = 5,390,411.40/x
  3. Step 3: Cross multiply
    8,791,633.80x = 13,187,450.70 × 5,390,411.40
  4. Step 4: Simplify right side
    8,791,633.80x = 71,085,784,590,217.98
  5. Step 5: Solve for x
    x = 71,085,784,590,217.98/8,791,633.80
  6. Step 6: Final answer
    x = 8,085,617.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.