Home / 15,820,723,432.04-21,822,667,478.89-9,385,987,725.57

Finding the Fourth Proportional to 15,820,723,432.04, 21,822,667,478.89 and 9,385,987,725.57

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Solution

The fourth proportional to 15,820,723,432.04, 21,822,667,478.89 and 9,385,987,725.57 is: 12,946,771,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,723,432.04 : 21,822,667,478.89 = 9,385,987,725.57 : x
  2. Step 2: Convert to fraction form
    15,820,723,432.04/21,822,667,478.89 = 9,385,987,725.57/x
  3. Step 3: Cross multiply
    15,820,723,432.04x = 21,822,667,478.89 × 9,385,987,725.57
  4. Step 4: Simplify right side
    15,820,723,432.04x = 204,827,289,096,107,589,632
  5. Step 5: Solve for x
    x = 204,827,289,096,107,589,632/15,820,723,432.04
  6. Step 6: Final answer
    x = 12,946,771,364.54

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1.5x scale

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.