Home / 18,106,707.70-27,160,061.55-5,978,043.10

Finding the Fourth Proportional to 18,106,707.70, 27,160,061.55 and 5,978,043.10

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Solution

The fourth proportional to 18,106,707.70, 27,160,061.55 and 5,978,043.10 is: 8,967,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,707.70 : 27,160,061.55 = 5,978,043.10 : x
  2. Step 2: Convert to fraction form
    18,106,707.70/27,160,061.55 = 5,978,043.10/x
  3. Step 3: Cross multiply
    18,106,707.70x = 27,160,061.55 × 5,978,043.10
  4. Step 4: Simplify right side
    18,106,707.70x = 162,364,018,544,552.81
  5. Step 5: Solve for x
    x = 162,364,018,544,552.81/18,106,707.70
  6. Step 6: Final answer
    x = 8,967,064.65

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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.