Home / 30,588,831.12-45,883,238.43-11,421,082.92

Finding the Fourth Proportional to 30,588,831.12, 45,883,238.43 and 11,421,082.92

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Solution

The fourth proportional to 30,588,831.12, 45,883,238.43 and 11,421,082.92 is: 17,131,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,831.12 : 45,883,238.43 = 11,421,082.92 : x
  2. Step 2: Convert to fraction form
    30,588,831.12/45,883,238.43 = 11,421,082.92/x
  3. Step 3: Cross multiply
    30,588,831.12x = 45,883,238.43 × 11,421,082.92
  4. Step 4: Simplify right side
    30,588,831.12x = 524,036,270,747,160.62
  5. Step 5: Solve for x
    x = 524,036,270,747,160.62/30,588,831.12
  6. Step 6: Final answer
    x = 17,131,621.30

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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.