Home / 28,048,153.80-38,716,781.19-16,885,165.89

Finding the Fourth Proportional to 28,048,153.80, 38,716,781.19 and 16,885,165.89

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Solution

The fourth proportional to 28,048,153.80, 38,716,781.19 and 16,885,165.89 is: 23,307,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048,153.80 : 38,716,781.19 = 16,885,165.89 : x
  2. Step 2: Convert to fraction form
    28,048,153.80/38,716,781.19 = 16,885,165.89/x
  3. Step 3: Cross multiply
    28,048,153.80x = 38,716,781.19 × 16,885,165.89
  4. Step 4: Simplify right side
    28,048,153.80x = 653,739,273,055,323.62
  5. Step 5: Solve for x
    x = 653,739,273,055,323.62/28,048,153.80
  6. Step 6: Final answer
    x = 23,307,747.01

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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.