Home / 8,632,005.80-12,948,008.70-5,440,735.40

Finding the Fourth Proportional to 8,632,005.80, 12,948,008.70 and 5,440,735.40

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Solution

The fourth proportional to 8,632,005.80, 12,948,008.70 and 5,440,735.40 is: 8,161,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,005.80 : 12,948,008.70 = 5,440,735.40 : x
  2. Step 2: Convert to fraction form
    8,632,005.80/12,948,008.70 = 5,440,735.40/x
  3. Step 3: Cross multiply
    8,632,005.80x = 12,948,008.70 × 5,440,735.40
  4. Step 4: Simplify right side
    8,632,005.80x = 70,446,689,293,597.98
  5. Step 5: Solve for x
    x = 70,446,689,293,597.98/8,632,005.80
  6. Step 6: Final answer
    x = 8,161,103.10

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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.