Home / 16,018,308.79-22,105,132.84-8,675,970.23

Finding the Fourth Proportional to 16,018,308.79, 22,105,132.84 and 8,675,970.23

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Solution

The fourth proportional to 16,018,308.79, 22,105,132.84 and 8,675,970.23 is: 11,972,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,018,308.79 : 22,105,132.84 = 8,675,970.23 : x
  2. Step 2: Convert to fraction form
    16,018,308.79/22,105,132.84 = 8,675,970.23/x
  3. Step 3: Cross multiply
    16,018,308.79x = 22,105,132.84 × 8,675,970.23
  4. Step 4: Simplify right side
    16,018,308.79x = 191,783,474,450,035.38
  5. Step 5: Solve for x
    x = 191,783,474,450,035.38/16,018,308.79
  6. Step 6: Final answer
    x = 11,972,766.72

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Double scale
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1.5x scale

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.