Home / 8,424,007.20-12,636,010.80-4,164,832.80

Finding the Fourth Proportional to 8,424,007.20, 12,636,010.80 and 4,164,832.80

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Solution

The fourth proportional to 8,424,007.20, 12,636,010.80 and 4,164,832.80 is: 6,247,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,007.20 : 12,636,010.80 = 4,164,832.80 : x
  2. Step 2: Convert to fraction form
    8,424,007.20/12,636,010.80 = 4,164,832.80/x
  3. Step 3: Cross multiply
    8,424,007.20x = 12,636,010.80 × 4,164,832.80
  4. Step 4: Simplify right side
    8,424,007.20x = 52,626,872,240,994.24
  5. Step 5: Solve for x
    x = 52,626,872,240,994.24/8,424,007.20
  6. Step 6: Final answer
    x = 6,247,249.20

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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.