Home / 15,090,283,813.16-20,823,985,366.29-8,223,534,627.05

Finding the Fourth Proportional to 15,090,283,813.16, 20,823,985,366.29 and 8,223,534,627.05

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Solution

The fourth proportional to 15,090,283,813.16, 20,823,985,366.29 and 8,223,534,627.05 is: 11,348,147,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,813.16 : 20,823,985,366.29 = 8,223,534,627.05 : x
  2. Step 2: Convert to fraction form
    15,090,283,813.16/20,823,985,366.29 = 8,223,534,627.05/x
  3. Step 3: Cross multiply
    15,090,283,813.16x = 20,823,985,366.29 × 8,223,534,627.05
  4. Step 4: Simplify right side
    15,090,283,813.16x = 171,246,764,732,920,365,056
  5. Step 5: Solve for x
    x = 171,246,764,732,920,365,056/15,090,283,813.16
  6. Step 6: Final answer
    x = 11,348,147,381.00

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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.