Home / 30,276,060.12-41,835,615.82-21,559,099.19

Finding the Fourth Proportional to 30,276,060.12, 41,835,615.82 and 21,559,099.19

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Solution

The fourth proportional to 30,276,060.12, 41,835,615.82 and 21,559,099.19 is: 29,790,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,060.12 : 41,835,615.82 = 21,559,099.19 : x
  2. Step 2: Convert to fraction form
    30,276,060.12/41,835,615.82 = 21,559,099.19/x
  3. Step 3: Cross multiply
    30,276,060.12x = 41,835,615.82 × 21,559,099.19
  4. Step 4: Simplify right side
    30,276,060.12x = 901,938,190,875,037.38
  5. Step 5: Solve for x
    x = 901,938,190,875,037.38/30,276,060.12
  6. Step 6: Final answer
    x = 29,790,474.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.