Home / 8,757,716.45-12,085,674.95-4,890,378.74

Finding the Fourth Proportional to 8,757,716.45, 12,085,674.95 and 4,890,378.74

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Solution

The fourth proportional to 8,757,716.45, 12,085,674.95 and 4,890,378.74 is: 6,748,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757,716.45 : 12,085,674.95 = 4,890,378.74 : x
  2. Step 2: Convert to fraction form
    8,757,716.45/12,085,674.95 = 4,890,378.74/x
  3. Step 3: Cross multiply
    8,757,716.45x = 12,085,674.95 × 4,890,378.74
  4. Step 4: Simplify right side
    8,757,716.45x = 59,103,527,809,578.67
  5. Step 5: Solve for x
    x = 59,103,527,809,578.67/8,757,716.45
  6. Step 6: Final answer
    x = 6,748,737.32

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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.