Home / 13,046,731.64-18,013,496.99-8,154,152.94

Finding the Fourth Proportional to 13,046,731.64, 18,013,496.99 and 8,154,152.94

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Solution

The fourth proportional to 13,046,731.64, 18,013,496.99 and 8,154,152.94 is: 11,258,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,731.64 : 18,013,496.99 = 8,154,152.94 : x
  2. Step 2: Convert to fraction form
    13,046,731.64/18,013,496.99 = 8,154,152.94/x
  3. Step 3: Cross multiply
    13,046,731.64x = 18,013,496.99 × 8,154,152.94
  4. Step 4: Simplify right side
    13,046,731.64x = 146,884,809,399,918.88
  5. Step 5: Solve for x
    x = 146,884,809,399,918.88/13,046,731.64
  6. Step 6: Final answer
    x = 11,258,360.60

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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.