Home / 15,090,283,806.93-20,823,985,357.70-8,223,534,620.81

Finding the Fourth Proportional to 15,090,283,806.93, 20,823,985,357.70 and 8,223,534,620.81

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Solution

The fourth proportional to 15,090,283,806.93, 20,823,985,357.70 and 8,223,534,620.81 is: 11,348,147,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,806.93 : 20,823,985,357.70 = 8,223,534,620.81 : x
  2. Step 2: Convert to fraction form
    15,090,283,806.93/20,823,985,357.70 = 8,223,534,620.81/x
  3. Step 3: Cross multiply
    15,090,283,806.93x = 20,823,985,357.70 × 8,223,534,620.81
  4. Step 4: Simplify right side
    15,090,283,806.93x = 171,246,764,532,286,488,576
  5. Step 5: Solve for x
    x = 171,246,764,532,286,488,576/15,090,283,806.93
  6. Step 6: Final answer
    x = 11,348,147,372.40

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1.5x scale

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.