Home / 11,133,095.20-16,699,642.80-8,298,743.20

Finding the Fourth Proportional to 11,133,095.20, 16,699,642.80 and 8,298,743.20

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Solution

The fourth proportional to 11,133,095.20, 16,699,642.80 and 8,298,743.20 is: 12,448,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133,095.20 : 16,699,642.80 = 8,298,743.20 : x
  2. Step 2: Convert to fraction form
    11,133,095.20/16,699,642.80 = 8,298,743.20/x
  3. Step 3: Cross multiply
    11,133,095.20x = 16,699,642.80 × 8,298,743.20
  4. Step 4: Simplify right side
    11,133,095.20x = 138,586,047,128,928.97
  5. Step 5: Solve for x
    x = 138,586,047,128,928.97/11,133,095.20
  6. Step 6: Final answer
    x = 12,448,114.80

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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.