Home / 7,555,315.44-10,421,516.90-6,180,654.72

Finding the Fourth Proportional to 7,555,315.44, 10,421,516.90 and 6,180,654.72

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Solution

The fourth proportional to 7,555,315.44, 10,421,516.90 and 6,180,654.72 is: 8,525,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555,315.44 : 10,421,516.90 = 6,180,654.72 : x
  2. Step 2: Convert to fraction form
    7,555,315.44/10,421,516.90 = 6,180,654.72/x
  3. Step 3: Cross multiply
    7,555,315.44x = 10,421,516.90 × 6,180,654.72
  4. Step 4: Simplify right side
    7,555,315.44x = 64,411,797,617,544.77
  5. Step 5: Solve for x
    x = 64,411,797,617,544.77/7,555,315.44
  6. Step 6: Final answer
    x = 8,525,361.80

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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.