Home / 13,364,818.92-18,443,459.70-7,253,247.42

Finding the Fourth Proportional to 13,364,818.92, 18,443,459.70 and 7,253,247.42

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Solution

The fourth proportional to 13,364,818.92, 18,443,459.70 and 7,253,247.42 is: 10,009,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,818.92 : 18,443,459.70 = 7,253,247.42 : x
  2. Step 2: Convert to fraction form
    13,364,818.92/18,443,459.70 = 7,253,247.42/x
  3. Step 3: Cross multiply
    13,364,818.92x = 18,443,459.70 × 7,253,247.42
  4. Step 4: Simplify right side
    13,364,818.92x = 133,774,976,484,898.97
  5. Step 5: Solve for x
    x = 133,774,976,484,898.97/13,364,818.92
  6. Step 6: Final answer
    x = 10,009,486.64

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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.