Home / 10,731,918.80-16,085,436.60-4,337,973.20

Finding the Fourth Proportional to 10,731,918.80, 16,085,436.60 and 4,337,973.20

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Solution

The fourth proportional to 10,731,918.80, 16,085,436.60 and 4,337,973.20 is: 6,501,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731,918.80 : 16,085,436.60 = 4,337,973.20 : x
  2. Step 2: Convert to fraction form
    10,731,918.80/16,085,436.60 = 4,337,973.20/x
  3. Step 3: Cross multiply
    10,731,918.80x = 16,085,436.60 × 4,337,973.20
  4. Step 4: Simplify right side
    10,731,918.80x = 69,778,192,881,099.12
  5. Step 5: Solve for x
    x = 69,778,192,881,099.12/10,731,918.80
  6. Step 6: Final answer
    x = 6,501,930.75

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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.