Home / 30,276,057.90-45,421,318.54-10,081,474.86

Finding the Fourth Proportional to 30,276,057.90, 45,421,318.54 and 10,081,474.86

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Solution

The fourth proportional to 30,276,057.90, 45,421,318.54 and 10,081,474.86 is: 15,124,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,057.90 : 45,421,318.54 = 10,081,474.86 : x
  2. Step 2: Convert to fraction form
    30,276,057.90/45,421,318.54 = 10,081,474.86/x
  3. Step 3: Cross multiply
    30,276,057.90x = 45,421,318.54 × 10,081,474.86
  4. Step 4: Simplify right side
    30,276,057.90x = 457,913,880,969,061.88
  5. Step 5: Solve for x
    x = 457,913,880,969,061.88/30,276,057.90
  6. Step 6: Final answer
    x = 15,124,620.33

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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.