Home / 18,358,932.30-27,538,398.45-8,792,994.30

Finding the Fourth Proportional to 18,358,932.30, 27,538,398.45 and 8,792,994.30

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Solution

The fourth proportional to 18,358,932.30, 27,538,398.45 and 8,792,994.30 is: 13,189,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,932.30 : 27,538,398.45 = 8,792,994.30 : x
  2. Step 2: Convert to fraction form
    18,358,932.30/27,538,398.45 = 8,792,994.30/x
  3. Step 3: Cross multiply
    18,358,932.30x = 27,538,398.45 × 8,792,994.30
  4. Step 4: Simplify right side
    18,358,932.30x = 242,144,980,601,978.84
  5. Step 5: Solve for x
    x = 242,144,980,601,978.84/18,358,932.30
  6. Step 6: Final answer
    x = 13,189,491.45

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1.5x scale

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.