Home / 18,205,496.96-25,123,956.16-9,946,094.20

Finding the Fourth Proportional to 18,205,496.96, 25,123,956.16 and 9,946,094.20

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Solution

The fourth proportional to 18,205,496.96, 25,123,956.16 and 9,946,094.20 is: 13,725,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,496.96 : 25,123,956.16 = 9,946,094.20 : x
  2. Step 2: Convert to fraction form
    18,205,496.96/25,123,956.16 = 9,946,094.20/x
  3. Step 3: Cross multiply
    18,205,496.96x = 25,123,956.16 × 9,946,094.20
  4. Step 4: Simplify right side
    18,205,496.96x = 249,885,234,562,894.88
  5. Step 5: Solve for x
    x = 249,885,234,562,894.88/18,205,496.96
  6. Step 6: Final answer
    x = 13,725,812.33

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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.