Home / 30,730,190.58-46,128,101.31-13,231,416.18

Finding the Fourth Proportional to 30,730,190.58, 46,128,101.31 and 13,231,416.18

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Solution

The fourth proportional to 30,730,190.58, 46,128,101.31 and 13,231,416.18 is: 19,861,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,190.58 : 46,128,101.31 = 13,231,416.18 : x
  2. Step 2: Convert to fraction form
    30,730,190.58/46,128,101.31 = 13,231,416.18/x
  3. Step 3: Cross multiply
    30,730,190.58x = 46,128,101.31 × 13,231,416.18
  4. Step 4: Simplify right side
    30,730,190.58x = 610,340,106,025,813.25
  5. Step 5: Solve for x
    x = 610,340,106,025,813.25/30,730,190.58
  6. Step 6: Final answer
    x = 19,861,253.53

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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.