Home / 12,883,044.48-17,778,822.48-7,082,070.72

Finding the Fourth Proportional to 12,883,044.48, 17,778,822.48 and 7,082,070.72

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Solution

The fourth proportional to 12,883,044.48, 17,778,822.48 and 7,082,070.72 is: 9,773,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,044.48 : 17,778,822.48 = 7,082,070.72 : x
  2. Step 2: Convert to fraction form
    12,883,044.48/17,778,822.48 = 7,082,070.72/x
  3. Step 3: Cross multiply
    12,883,044.48x = 17,778,822.48 × 7,082,070.72
  4. Step 4: Simplify right side
    12,883,044.48x = 125,910,878,121,685.78
  5. Step 5: Solve for x
    x = 125,910,878,121,685.78/12,883,044.48
  6. Step 6: Final answer
    x = 9,773,379.14

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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.