Home / 10,784,719.96-14,883,280.80-6,378,222.94

Finding the Fourth Proportional to 10,784,719.96, 14,883,280.80 and 6,378,222.94

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Solution

The fourth proportional to 10,784,719.96, 14,883,280.80 and 6,378,222.94 is: 8,802,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,719.96 : 14,883,280.80 = 6,378,222.94 : x
  2. Step 2: Convert to fraction form
    10,784,719.96/14,883,280.80 = 6,378,222.94/x
  3. Step 3: Cross multiply
    10,784,719.96x = 14,883,280.80 × 6,378,222.94
  4. Step 4: Simplify right side
    10,784,719.96x = 94,928,882,959,895.02
  5. Step 5: Solve for x
    x = 94,928,882,959,895.02/10,784,719.96
  6. Step 6: Final answer
    x = 8,802,164.85

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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.