Home / 15,253,403.76-21,044,574.36-8,637,090.48

Finding the Fourth Proportional to 15,253,403.76, 21,044,574.36 and 8,637,090.48

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Solution

The fourth proportional to 15,253,403.76, 21,044,574.36 and 8,637,090.48 is: 11,916,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253,403.76 : 21,044,574.36 = 8,637,090.48 : x
  2. Step 2: Convert to fraction form
    15,253,403.76/21,044,574.36 = 8,637,090.48/x
  3. Step 3: Cross multiply
    15,253,403.76x = 21,044,574.36 × 8,637,090.48
  4. Step 4: Simplify right side
    15,253,403.76x = 181,763,892,860,408.09
  5. Step 5: Solve for x
    x = 181,763,892,860,408.09/15,253,403.76
  6. Step 6: Final answer
    x = 11,916,284.11

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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.