Home / 13,637,478.41-18,820,160.46-7,756,961.41

Finding the Fourth Proportional to 13,637,478.41, 18,820,160.46 and 7,756,961.41

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Solution

The fourth proportional to 13,637,478.41, 18,820,160.46 and 7,756,961.41 is: 10,704,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,478.41 : 18,820,160.46 = 7,756,961.41 : x
  2. Step 2: Convert to fraction form
    13,637,478.41/18,820,160.46 = 7,756,961.41/x
  3. Step 3: Cross multiply
    13,637,478.41x = 18,820,160.46 × 7,756,961.41
  4. Step 4: Simplify right side
    13,637,478.41x = 145,987,258,335,889.66
  5. Step 5: Solve for x
    x = 145,987,258,335,889.66/13,637,478.41
  6. Step 6: Final answer
    x = 10,704,857.16

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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.