Home / 13,046,729.64-18,013,494.23-8,154,150.94

Finding the Fourth Proportional to 13,046,729.64, 18,013,494.23 and 8,154,150.94

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Solution

The fourth proportional to 13,046,729.64, 18,013,494.23 and 8,154,150.94 is: 11,258,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,729.64 : 18,013,494.23 = 8,154,150.94 : x
  2. Step 2: Convert to fraction form
    13,046,729.64/18,013,494.23 = 8,154,150.94/x
  3. Step 3: Cross multiply
    13,046,729.64x = 18,013,494.23 × 8,154,150.94
  4. Step 4: Simplify right side
    13,046,729.64x = 146,884,750,908,239.09
  5. Step 5: Solve for x
    x = 146,884,750,908,239.09/13,046,729.64
  6. Step 6: Final answer
    x = 11,258,357.84

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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.