Home / 15,090,283,786.98-20,823,985,330.02-8,223,534,600.78

Finding the Fourth Proportional to 15,090,283,786.98, 20,823,985,330.02 and 8,223,534,600.78

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Solution

The fourth proportional to 15,090,283,786.98, 20,823,985,330.02 and 8,223,534,600.78 is: 11,348,147,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,786.98 : 20,823,985,330.02 = 8,223,534,600.78 : x
  2. Step 2: Convert to fraction form
    15,090,283,786.98/20,823,985,330.02 = 8,223,534,600.78/x
  3. Step 3: Cross multiply
    15,090,283,786.98x = 20,823,985,330.02 × 8,223,534,600.78
  4. Step 4: Simplify right side
    15,090,283,786.98x = 171,246,763,887,554,592,768
  5. Step 5: Solve for x
    x = 171,246,763,887,554,592,768/15,090,283,786.98
  6. Step 6: Final answer
    x = 11,348,147,344.67

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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.