Home / 20,328,345.69-30,492,911.58-4,975,769.70

Finding the Fourth Proportional to 20,328,345.69, 30,492,911.58 and 4,975,769.70

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Solution

The fourth proportional to 20,328,345.69, 30,492,911.58 and 4,975,769.70 is: 7,463,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328,345.69 : 30,492,911.58 = 4,975,769.70 : x
  2. Step 2: Convert to fraction form
    20,328,345.69/30,492,911.58 = 4,975,769.70/x
  3. Step 3: Cross multiply
    20,328,345.69x = 30,492,911.58 × 4,975,769.70
  4. Step 4: Simplify right side
    20,328,345.69x = 151,725,705,504,543.12
  5. Step 5: Solve for x
    x = 151,725,705,504,543.12/20,328,345.69
  6. Step 6: Final answer
    x = 7,463,750.76

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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.