Home / 30,332,617.80-45,404,448.30-21,829,561.80

Finding the Fourth Proportional to 30,332,617.80, 45,404,448.30 and 21,829,561.80

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Solution

The fourth proportional to 30,332,617.80, 45,404,448.30 and 21,829,561.80 is: 32,676,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332,617.80 : 45,404,448.30 = 21,829,561.80 : x
  2. Step 2: Convert to fraction form
    30,332,617.80/45,404,448.30 = 21,829,561.80/x
  3. Step 3: Cross multiply
    30,332,617.80x = 45,404,448.30 × 21,829,561.80
  4. Step 4: Simplify right side
    30,332,617.80x = 991,159,210,159,754.88
  5. Step 5: Solve for x
    x = 991,159,210,159,754.88/30,332,617.80
  6. Step 6: Final answer
    x = 32,676,349.16

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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.