Home / 9,770,384.80-13,484,748.12-5,420,872.36

Finding the Fourth Proportional to 9,770,384.80, 13,484,748.12 and 5,420,872.36

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Solution

The fourth proportional to 9,770,384.80, 13,484,748.12 and 5,420,872.36 is: 7,481,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,384.80 : 13,484,748.12 = 5,420,872.36 : x
  2. Step 2: Convert to fraction form
    9,770,384.80/13,484,748.12 = 5,420,872.36/x
  3. Step 3: Cross multiply
    9,770,384.80x = 13,484,748.12 × 5,420,872.36
  4. Step 4: Simplify right side
    9,770,384.80x = 73,099,098,411,249.59
  5. Step 5: Solve for x
    x = 73,099,098,411,249.59/9,770,384.80
  6. Step 6: Final answer
    x = 7,481,701.07

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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.