Home / 21,242,275,574.34-31,847,705,043.04-12,846,314,638.02

Finding the Fourth Proportional to 21,242,275,574.34, 31,847,705,043.04 and 12,846,314,638.02

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Solution

The fourth proportional to 21,242,275,574.34, 31,847,705,043.04 and 12,846,314,638.02 is: 19,259,972,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,574.34 : 31,847,705,043.04 = 12,846,314,638.02 : x
  2. Step 2: Convert to fraction form
    21,242,275,574.34/31,847,705,043.04 = 12,846,314,638.02/x
  3. Step 3: Cross multiply
    21,242,275,574.34x = 31,847,705,043.04 × 12,846,314,638.02
  4. Step 4: Simplify right side
    21,242,275,574.34x = 409,125,639,481,748,160,512
  5. Step 5: Solve for x
    x = 409,125,639,481,748,160,512/21,242,275,574.34
  6. Step 6: Final answer
    x = 19,259,972,315.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.