Home / 12,672,001.05-19,008,001.58-11,389,133.85

Finding the Fourth Proportional to 12,672,001.05, 19,008,001.58 and 11,389,133.85

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Solution

The fourth proportional to 12,672,001.05, 19,008,001.58 and 11,389,133.85 is: 17,083,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,001.05 : 19,008,001.58 = 11,389,133.85 : x
  2. Step 2: Convert to fraction form
    12,672,001.05/19,008,001.58 = 11,389,133.85/x
  3. Step 3: Cross multiply
    12,672,001.05x = 19,008,001.58 × 11,389,133.85
  4. Step 4: Simplify right side
    12,672,001.05x = 216,484,674,158,685.81
  5. Step 5: Solve for x
    x = 216,484,674,158,685.81/12,672,001.05
  6. Step 6: Final answer
    x = 17,083,700.78

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1.5x scale

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.