Home / 20,898,746.84-28,841,228.81-11,606,359.61

Finding the Fourth Proportional to 20,898,746.84, 28,841,228.81 and 11,606,359.61

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Solution

The fourth proportional to 20,898,746.84, 28,841,228.81 and 11,606,359.61 is: 16,017,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,746.84 : 28,841,228.81 = 11,606,359.61 : x
  2. Step 2: Convert to fraction form
    20,898,746.84/28,841,228.81 = 11,606,359.61/x
  3. Step 3: Cross multiply
    20,898,746.84x = 28,841,228.81 × 11,606,359.61
  4. Step 4: Simplify right side
    20,898,746.84x = 334,741,672,960,914.44
  5. Step 5: Solve for x
    x = 334,741,672,960,914.44/20,898,746.84
  6. Step 6: Final answer
    x = 16,017,308.39

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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.