Home / 12,676,927.28-19,008,509.15-5,756,606.82

Finding the Fourth Proportional to 12,676,927.28, 19,008,509.15 and 5,756,606.82

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Solution

The fourth proportional to 12,676,927.28, 19,008,509.15 and 5,756,606.82 is: 8,631,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,927.28 : 19,008,509.15 = 5,756,606.82 : x
  2. Step 2: Convert to fraction form
    12,676,927.28/19,008,509.15 = 5,756,606.82/x
  3. Step 3: Cross multiply
    12,676,927.28x = 19,008,509.15 × 5,756,606.82
  4. Step 4: Simplify right side
    12,676,927.28x = 109,424,513,425,313.92
  5. Step 5: Solve for x
    x = 109,424,513,425,313.92/12,676,927.28
  6. Step 6: Final answer
    x = 8,631,785.22

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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.