Home / 17,966,989.40-26,942,610.90-7,180,705.40

Finding the Fourth Proportional to 17,966,989.40, 26,942,610.90 and 7,180,705.40

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Solution

The fourth proportional to 17,966,989.40, 26,942,610.90 and 7,180,705.40 is: 10,767,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,989.40 : 26,942,610.90 = 7,180,705.40 : x
  2. Step 2: Convert to fraction form
    17,966,989.40/26,942,610.90 = 7,180,705.40/x
  3. Step 3: Cross multiply
    17,966,989.40x = 26,942,610.90 × 7,180,705.40
  4. Step 4: Simplify right side
    17,966,989.40x = 193,466,951,579,728.84
  5. Step 5: Solve for x
    x = 193,466,951,579,728.84/17,966,989.40
  6. Step 6: Final answer
    x = 10,767,911.49

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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.