Home / 27,661,968.60-41,492,564.10-12,515,875.80

Finding the Fourth Proportional to 27,661,968.60, 41,492,564.10 and 12,515,875.80

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Solution

The fourth proportional to 27,661,968.60, 41,492,564.10 and 12,515,875.80 is: 18,773,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661,968.60 : 41,492,564.10 = 12,515,875.80 : x
  2. Step 2: Convert to fraction form
    27,661,968.60/41,492,564.10 = 12,515,875.80/x
  3. Step 3: Cross multiply
    27,661,968.60x = 41,492,564.10 × 12,515,875.80
  4. Step 4: Simplify right side
    27,661,968.60x = 519,315,778,899,138.81
  5. Step 5: Solve for x
    x = 519,315,778,899,138.81/27,661,968.60
  6. Step 6: Final answer
    x = 18,773,637.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.