Home / 28,677,758.36-43,016,598.24-13,316,648.36

Finding the Fourth Proportional to 28,677,758.36, 43,016,598.24 and 13,316,648.36

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Solution

The fourth proportional to 28,677,758.36, 43,016,598.24 and 13,316,648.36 is: 19,974,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,758.36 : 43,016,598.24 = 13,316,648.36 : x
  2. Step 2: Convert to fraction form
    28,677,758.36/43,016,598.24 = 13,316,648.36/x
  3. Step 3: Cross multiply
    28,677,758.36x = 43,016,598.24 × 13,316,648.36
  4. Step 4: Simplify right side
    28,677,758.36x = 572,836,912,405,474.88
  5. Step 5: Solve for x
    x = 572,836,912,405,474.88/28,677,758.36
  6. Step 6: Final answer
    x = 19,974,954.29

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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.