Home / 13,215,222,049.80-19,822,833,074.70-12,113,225,992.20

Finding the Fourth Proportional to 13,215,222,049.80, 19,822,833,074.70 and 12,113,225,992.20

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Solution

The fourth proportional to 13,215,222,049.80, 19,822,833,074.70 and 12,113,225,992.20 is: 18,169,838,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,222,049.80 : 19,822,833,074.70 = 12,113,225,992.20 : x
  2. Step 2: Convert to fraction form
    13,215,222,049.80/19,822,833,074.70 = 12,113,225,992.20/x
  3. Step 3: Cross multiply
    13,215,222,049.80x = 19,822,833,074.70 × 12,113,225,992.20
  4. Step 4: Simplify right side
    13,215,222,049.80x = 240,118,456,839,497,908,224
  5. Step 5: Solve for x
    x = 240,118,456,839,497,908,224/13,215,222,049.80
  6. Step 6: Final answer
    x = 18,169,838,988.30

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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.