Home / 21,242,275,572.84-31,847,705,040.79-12,846,314,636.52

Finding the Fourth Proportional to 21,242,275,572.84, 31,847,705,040.79 and 12,846,314,636.52

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Solution

The fourth proportional to 21,242,275,572.84, 31,847,705,040.79 and 12,846,314,636.52 is: 19,259,972,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,572.84 : 31,847,705,040.79 = 12,846,314,636.52 : x
  2. Step 2: Convert to fraction form
    21,242,275,572.84/31,847,705,040.79 = 12,846,314,636.52/x
  3. Step 3: Cross multiply
    21,242,275,572.84x = 31,847,705,040.79 × 12,846,314,636.52
  4. Step 4: Simplify right side
    21,242,275,572.84x = 409,125,639,405,072,416,768
  5. Step 5: Solve for x
    x = 409,125,639,405,072,416,768/21,242,275,572.84
  6. Step 6: Final answer
    x = 19,259,972,313.33

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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.