Home / 19,043,790.08-26,288,471.87-12,857,213.57

Finding the Fourth Proportional to 19,043,790.08, 26,288,471.87 and 12,857,213.57

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Solution

The fourth proportional to 19,043,790.08, 26,288,471.87 and 12,857,213.57 is: 17,748,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,790.08 : 26,288,471.87 = 12,857,213.57 : x
  2. Step 2: Convert to fraction form
    19,043,790.08/26,288,471.87 = 12,857,213.57/x
  3. Step 3: Cross multiply
    19,043,790.08x = 26,288,471.87 × 12,857,213.57
  4. Step 4: Simplify right side
    19,043,790.08x = 337,996,497,065,798.81
  5. Step 5: Solve for x
    x = 337,996,497,065,798.81/19,043,790.08
  6. Step 6: Final answer
    x = 17,748,383.89

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1.5x scale

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.