Home / 13,100,995.12-18,079,444.78-7,597,632.76

Finding the Fourth Proportional to 13,100,995.12, 18,079,444.78 and 7,597,632.76

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Solution

The fourth proportional to 13,100,995.12, 18,079,444.78 and 7,597,632.76 is: 10,484,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,995.12 : 18,079,444.78 = 7,597,632.76 : x
  2. Step 2: Convert to fraction form
    13,100,995.12/18,079,444.78 = 7,597,632.76/x
  3. Step 3: Cross multiply
    13,100,995.12x = 18,079,444.78 × 7,597,632.76
  4. Step 4: Simplify right side
    13,100,995.12x = 137,360,981,943,139
  5. Step 5: Solve for x
    x = 137,360,981,943,139/13,100,995.12
  6. Step 6: Final answer
    x = 10,484,774.68

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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.