Home / 8,543,642.90-12,816,243.02-2,784,898.40

Finding the Fourth Proportional to 8,543,642.90, 12,816,243.02 and 2,784,898.40

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Solution

The fourth proportional to 8,543,642.90, 12,816,243.02 and 2,784,898.40 is: 4,177,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,642.90 : 12,816,243.02 = 2,784,898.40 : x
  2. Step 2: Convert to fraction form
    8,543,642.90/12,816,243.02 = 2,784,898.40/x
  3. Step 3: Cross multiply
    8,543,642.90x = 12,816,243.02 × 2,784,898.40
  4. Step 4: Simplify right side
    8,543,642.90x = 35,691,934,680,409.16
  5. Step 5: Solve for x
    x = 35,691,934,680,409.16/8,543,642.90
  6. Step 6: Final answer
    x = 4,177,601.42

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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.