Home / 12,983,676.03-17,916,943.45-7,477,258.37

Finding the Fourth Proportional to 12,983,676.03, 17,916,943.45 and 7,477,258.37

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Solution

The fourth proportional to 12,983,676.03, 17,916,943.45 and 7,477,258.37 is: 10,318,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,676.03 : 17,916,943.45 = 7,477,258.37 : x
  2. Step 2: Convert to fraction form
    12,983,676.03/17,916,943.45 = 7,477,258.37/x
  3. Step 3: Cross multiply
    12,983,676.03x = 17,916,943.45 × 7,477,258.37
  4. Step 4: Simplify right side
    12,983,676.03x = 133,969,615,249,358.17
  5. Step 5: Solve for x
    x = 133,969,615,249,358.17/12,983,676.03
  6. Step 6: Final answer
    x = 10,318,311.62

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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.