Home / 20,044,638.16-27,661,600.66-10,877,280.91

Finding the Fourth Proportional to 20,044,638.16, 27,661,600.66 and 10,877,280.91

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Solution

The fourth proportional to 20,044,638.16, 27,661,600.66 and 10,877,280.91 is: 15,010,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,638.16 : 27,661,600.66 = 10,877,280.91 : x
  2. Step 2: Convert to fraction form
    20,044,638.16/27,661,600.66 = 10,877,280.91/x
  3. Step 3: Cross multiply
    20,044,638.16x = 27,661,600.66 × 10,877,280.91
  4. Step 4: Simplify right side
    20,044,638.16x = 300,883,000,799,061.44
  5. Step 5: Solve for x
    x = 300,883,000,799,061.44/20,044,638.16
  6. Step 6: Final answer
    x = 15,010,647.66

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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.