Home / 43,458,309.10-65,196,211.65-12,752,829.10

Finding the Fourth Proportional to 43,458,309.10, 65,196,211.65 and 12,752,829.10

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Solution

The fourth proportional to 43,458,309.10, 65,196,211.65 and 12,752,829.10 is: 19,131,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458,309.10 : 65,196,211.65 = 12,752,829.10 : x
  2. Step 2: Convert to fraction form
    43,458,309.10/65,196,211.65 = 12,752,829.10/x
  3. Step 3: Cross multiply
    43,458,309.10x = 65,196,211.65 × 12,752,829.10
  4. Step 4: Simplify right side
    43,458,309.10x = 831,436,145,139,879
  5. Step 5: Solve for x
    x = 831,436,145,139,879/43,458,309.10
  6. Step 6: Final answer
    x = 19,131,810.75

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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.