Home / 21,020,396,170.48-29,005,026,207.96-12,766,873,034.58

Finding the Fourth Proportional to 21,020,396,170.48, 29,005,026,207.96 and 12,766,873,034.58

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Solution

The fourth proportional to 21,020,396,170.48, 29,005,026,207.96 and 12,766,873,034.58 is: 17,616,389,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,396,170.48 : 29,005,026,207.96 = 12,766,873,034.58 : x
  2. Step 2: Convert to fraction form
    21,020,396,170.48/29,005,026,207.96 = 12,766,873,034.58/x
  3. Step 3: Cross multiply
    21,020,396,170.48x = 29,005,026,207.96 × 12,766,873,034.58
  4. Step 4: Simplify right side
    21,020,396,170.48x = 370,303,486,961,549,180,928
  5. Step 5: Solve for x
    x = 370,303,486,961,549,180,928/21,020,396,170.48
  6. Step 6: Final answer
    x = 17,616,389,527.50

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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.