Home / 12,031,258.30-18,046,887.45-9,343,872.70

Finding the Fourth Proportional to 12,031,258.30, 18,046,887.45 and 9,343,872.70

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Solution

The fourth proportional to 12,031,258.30, 18,046,887.45 and 9,343,872.70 is: 14,015,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031,258.30 : 18,046,887.45 = 9,343,872.70 : x
  2. Step 2: Convert to fraction form
    12,031,258.30/18,046,887.45 = 9,343,872.70/x
  3. Step 3: Cross multiply
    12,031,258.30x = 18,046,887.45 × 9,343,872.70
  4. Step 4: Simplify right side
    12,031,258.30x = 168,627,818,964,027.59
  5. Step 5: Solve for x
    x = 168,627,818,964,027.59/12,031,258.30
  6. Step 6: Final answer
    x = 14,015,809.05

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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.