Home / 11,005,980.32-16,434,856.04-8,988,226.98

Finding the Fourth Proportional to 11,005,980.32, 16,434,856.04 and 8,988,226.98

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Solution

The fourth proportional to 11,005,980.32, 16,434,856.04 and 8,988,226.98 is: 13,421,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,980.32 : 16,434,856.04 = 8,988,226.98 : x
  2. Step 2: Convert to fraction form
    11,005,980.32/16,434,856.04 = 8,988,226.98/x
  3. Step 3: Cross multiply
    11,005,980.32x = 16,434,856.04 × 8,988,226.98
  4. Step 4: Simplify right side
    11,005,980.32x = 147,720,216,426,202.84
  5. Step 5: Solve for x
    x = 147,720,216,426,202.84/11,005,980.32
  6. Step 6: Final answer
    x = 13,421,813.61

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.