Home / 57,708,494.65-86,562,914.19-13,989,079.78

Finding the Fourth Proportional to 57,708,494.65, 86,562,914.19 and 13,989,079.78

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Solution

The fourth proportional to 57,708,494.65, 86,562,914.19 and 13,989,079.78 is: 20,983,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708,494.65 : 86,562,914.19 = 13,989,079.78 : x
  2. Step 2: Convert to fraction form
    57,708,494.65/86,562,914.19 = 13,989,079.78/x
  3. Step 3: Cross multiply
    57,708,494.65x = 86,562,914.19 × 13,989,079.78
  4. Step 4: Simplify right side
    57,708,494.65x = 1,210,935,512,889,942.75
  5. Step 5: Solve for x
    x = 1,210,935,512,889,942.75/57,708,494.65
  6. Step 6: Final answer
    x = 20,983,661.42

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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.