Home / 27,189,318.74-40,783,978.54-10,151,320.28

Finding the Fourth Proportional to 27,189,318.74, 40,783,978.54 and 10,151,320.28

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Solution

The fourth proportional to 27,189,318.74, 40,783,978.54 and 10,151,320.28 is: 15,226,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189,318.74 : 40,783,978.54 = 10,151,320.28 : x
  2. Step 2: Convert to fraction form
    27,189,318.74/40,783,978.54 = 10,151,320.28/x
  3. Step 3: Cross multiply
    27,189,318.74x = 40,783,978.54 × 10,151,320.28
  4. Step 4: Simplify right side
    27,189,318.74x = 414,011,228,452,186.75
  5. Step 5: Solve for x
    x = 414,011,228,452,186.75/27,189,318.74
  6. Step 6: Final answer
    x = 15,226,980.58

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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.