Home / 15,090,283,812.03-20,823,985,364.76-8,223,534,625.92

Finding the Fourth Proportional to 15,090,283,812.03, 20,823,985,364.76 and 8,223,534,625.92

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Solution

The fourth proportional to 15,090,283,812.03, 20,823,985,364.76 and 8,223,534,625.92 is: 11,348,147,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,812.03 : 20,823,985,364.76 = 8,223,534,625.92 : x
  2. Step 2: Convert to fraction form
    15,090,283,812.03/20,823,985,364.76 = 8,223,534,625.92/x
  3. Step 3: Cross multiply
    15,090,283,812.03x = 20,823,985,364.76 × 8,223,534,625.92
  4. Step 4: Simplify right side
    15,090,283,812.03x = 171,246,764,696,755,175,424
  5. Step 5: Solve for x
    x = 171,246,764,696,755,175,424/15,090,283,812.03
  6. Step 6: Final answer
    x = 11,348,147,379.46

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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.