Home / 8,532,830.80-12,780,583.80-6,624,600.40

Finding the Fourth Proportional to 8,532,830.80, 12,780,583.80 and 6,624,600.40

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Solution

The fourth proportional to 8,532,830.80, 12,780,583.80 and 6,624,600.40 is: 9,922,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,830.80 : 12,780,583.80 = 6,624,600.40 : x
  2. Step 2: Convert to fraction form
    8,532,830.80/12,780,583.80 = 6,624,600.40/x
  3. Step 3: Cross multiply
    8,532,830.80x = 12,780,583.80 × 6,624,600.40
  4. Step 4: Simplify right side
    8,532,830.80x = 84,666,260,553,713.53
  5. Step 5: Solve for x
    x = 84,666,260,553,713.53/8,532,830.80
  6. Step 6: Final answer
    x = 9,922,411.75

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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.