Home / 10,308,568.80-15,458,916.60-3,117,712.80

Finding the Fourth Proportional to 10,308,568.80, 15,458,916.60 and 3,117,712.80

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Solution

The fourth proportional to 10,308,568.80, 15,458,916.60 and 3,117,712.80 is: 4,675,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,568.80 : 15,458,916.60 = 3,117,712.80 : x
  2. Step 2: Convert to fraction form
    10,308,568.80/15,458,916.60 = 3,117,712.80/x
  3. Step 3: Cross multiply
    10,308,568.80x = 15,458,916.60 × 3,117,712.80
  4. Step 4: Simplify right side
    10,308,568.80x = 48,196,462,157,952.48
  5. Step 5: Solve for x
    x = 48,196,462,157,952.48/10,308,568.80
  6. Step 6: Final answer
    x = 4,675,378.62

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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.