Home / 14,469,151.12-19,966,911.88-8,189,543.68

Finding the Fourth Proportional to 14,469,151.12, 19,966,911.88 and 8,189,543.68

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Solution

The fourth proportional to 14,469,151.12, 19,966,911.88 and 8,189,543.68 is: 11,301,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469,151.12 : 19,966,911.88 = 8,189,543.68 : x
  2. Step 2: Convert to fraction form
    14,469,151.12/19,966,911.88 = 8,189,543.68/x
  3. Step 3: Cross multiply
    14,469,151.12x = 19,966,911.88 × 8,189,543.68
  4. Step 4: Simplify right side
    14,469,151.12x = 163,519,896,925,579.78
  5. Step 5: Solve for x
    x = 163,519,896,925,579.78/14,469,151.12
  6. Step 6: Final answer
    x = 11,301,277.84

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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.