Home / 18,676,215.89-27,828,656.58-16,638,803.92

Finding the Fourth Proportional to 18,676,215.89, 27,828,656.58 and 16,638,803.92

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Solution

The fourth proportional to 18,676,215.89, 27,828,656.58 and 16,638,803.92 is: 24,792,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,215.89 : 27,828,656.58 = 16,638,803.92 : x
  2. Step 2: Convert to fraction form
    18,676,215.89/27,828,656.58 = 16,638,803.92/x
  3. Step 3: Cross multiply
    18,676,215.89x = 27,828,656.58 × 16,638,803.92
  4. Step 4: Simplify right side
    18,676,215.89x = 463,035,559,969,300.44
  5. Step 5: Solve for x
    x = 463,035,559,969,300.44/18,676,215.89
  6. Step 6: Final answer
    x = 24,792,793.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.