Home / 15,820,723,089.05-21,822,667,002.14-9,385,987,381.70

Finding the Fourth Proportional to 15,820,723,089.05, 21,822,667,002.14 and 9,385,987,381.70

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Solution

The fourth proportional to 15,820,723,089.05, 21,822,667,002.14 and 9,385,987,381.70 is: 12,946,770,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,723,089.05 : 21,822,667,002.14 = 9,385,987,381.70 : x
  2. Step 2: Convert to fraction form
    15,820,723,089.05/21,822,667,002.14 = 9,385,987,381.70/x
  3. Step 3: Cross multiply
    15,820,723,089.05x = 21,822,667,002.14 × 9,385,987,381.70
  4. Step 4: Simplify right side
    15,820,723,089.05x = 204,827,277,116,970,926,080
  5. Step 5: Solve for x
    x = 204,827,277,116,970,926,080/15,820,723,089.05
  6. Step 6: Final answer
    x = 12,946,770,888.04

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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.