Home / 9,515,477.57-13,125,384.79-5,645,257.88

Finding the Fourth Proportional to 9,515,477.57, 13,125,384.79 and 5,645,257.88

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Solution

The fourth proportional to 9,515,477.57, 13,125,384.79 and 5,645,257.88 is: 7,786,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,477.57 : 13,125,384.79 = 5,645,257.88 : x
  2. Step 2: Convert to fraction form
    9,515,477.57/13,125,384.79 = 5,645,257.88/x
  3. Step 3: Cross multiply
    9,515,477.57x = 13,125,384.79 × 5,645,257.88
  4. Step 4: Simplify right side
    9,515,477.57x = 74,096,181,834,039.58
  5. Step 5: Solve for x
    x = 74,096,181,834,039.58/9,515,477.57
  6. Step 6: Final answer
    x = 7,786,911.52

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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.