Home / 15,708,481,359.98-21,678,164,189.16-8,572,355,135.79

Finding the Fourth Proportional to 15,708,481,359.98, 21,678,164,189.16 and 8,572,355,135.79

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Solution

The fourth proportional to 15,708,481,359.98, 21,678,164,189.16 and 8,572,355,135.79 is: 11,830,101,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,481,359.98 : 21,678,164,189.16 = 8,572,355,135.79 : x
  2. Step 2: Convert to fraction form
    15,708,481,359.98/21,678,164,189.16 = 8,572,355,135.79/x
  3. Step 3: Cross multiply
    15,708,481,359.98x = 21,678,164,189.16 × 8,572,355,135.79
  4. Step 4: Simplify right side
    15,708,481,359.98x = 185,832,922,121,338,683,392
  5. Step 5: Solve for x
    x = 185,832,922,121,338,683,392/15,708,481,359.98
  6. Step 6: Final answer
    x = 11,830,101,068.51

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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.