Home / 12,605,785.02-18,911,334.75-4,085,457.18

Finding the Fourth Proportional to 12,605,785.02, 18,911,334.75 and 4,085,457.18

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Solution

The fourth proportional to 12,605,785.02, 18,911,334.75 and 4,085,457.18 is: 6,129,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,785.02 : 18,911,334.75 = 4,085,457.18 : x
  2. Step 2: Convert to fraction form
    12,605,785.02/18,911,334.75 = 4,085,457.18/x
  3. Step 3: Cross multiply
    12,605,785.02x = 18,911,334.75 × 4,085,457.18
  4. Step 4: Simplify right side
    12,605,785.02x = 77,261,448,337,771.02
  5. Step 5: Solve for x
    x = 77,261,448,337,771.02/12,605,785.02
  6. Step 6: Final answer
    x = 6,129,046.96

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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.