Home / 57,708,499.78-86,562,921.87-13,989,084.91

Finding the Fourth Proportional to 57,708,499.78, 86,562,921.87 and 13,989,084.91

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Solution

The fourth proportional to 57,708,499.78, 86,562,921.87 and 13,989,084.91 is: 20,983,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708,499.78 : 86,562,921.87 = 13,989,084.91 : x
  2. Step 2: Convert to fraction form
    57,708,499.78/86,562,921.87 = 13,989,084.91/x
  3. Step 3: Cross multiply
    57,708,499.78x = 86,562,921.87 × 13,989,084.91
  4. Step 4: Simplify right side
    57,708,499.78x = 1,210,936,064,097,126
  5. Step 5: Solve for x
    x = 1,210,936,064,097,126/57,708,499.78
  6. Step 6: Final answer
    x = 20,983,669.11

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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.