Home / 13,435,530.69-20,152,683.68-4,338,048.09

Finding the Fourth Proportional to 13,435,530.69, 20,152,683.68 and 4,338,048.09

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Solution

The fourth proportional to 13,435,530.69, 20,152,683.68 and 4,338,048.09 is: 6,506,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,530.69 : 20,152,683.68 = 4,338,048.09 : x
  2. Step 2: Convert to fraction form
    13,435,530.69/20,152,683.68 = 4,338,048.09/x
  3. Step 3: Cross multiply
    13,435,530.69x = 20,152,683.68 × 4,338,048.09
  4. Step 4: Simplify right side
    13,435,530.69x = 87,423,310,924,707.94
  5. Step 5: Solve for x
    x = 87,423,310,924,707.94/13,435,530.69
  6. Step 6: Final answer
    x = 6,506,874.42

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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.