Home / 15,708,481,361.48-21,678,164,191.23-8,572,355,137.29

Finding the Fourth Proportional to 15,708,481,361.48, 21,678,164,191.23 and 8,572,355,137.29

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Solution

The fourth proportional to 15,708,481,361.48, 21,678,164,191.23 and 8,572,355,137.29 is: 11,830,101,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,481,361.48 : 21,678,164,191.23 = 8,572,355,137.29 : x
  2. Step 2: Convert to fraction form
    15,708,481,361.48/21,678,164,191.23 = 8,572,355,137.29/x
  3. Step 3: Cross multiply
    15,708,481,361.48x = 21,678,164,191.23 × 8,572,355,137.29
  4. Step 4: Simplify right side
    15,708,481,361.48x = 185,832,922,171,706,605,568
  5. Step 5: Solve for x
    x = 185,832,922,171,706,605,568/15,708,481,361.48
  6. Step 6: Final answer
    x = 11,830,101,070.59

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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.