Home / 10,315,652.40-15,473,478.60-9,288,199.80

Finding the Fourth Proportional to 10,315,652.40, 15,473,478.60 and 9,288,199.80

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Solution

The fourth proportional to 10,315,652.40, 15,473,478.60 and 9,288,199.80 is: 13,932,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,652.40 : 15,473,478.60 = 9,288,199.80 : x
  2. Step 2: Convert to fraction form
    10,315,652.40/15,473,478.60 = 9,288,199.80/x
  3. Step 3: Cross multiply
    10,315,652.40x = 15,473,478.60 × 9,288,199.80
  4. Step 4: Simplify right side
    10,315,652.40x = 143,720,760,837,824.28
  5. Step 5: Solve for x
    x = 143,720,760,837,824.28/10,315,652.40
  6. Step 6: Final answer
    x = 13,932,299.70

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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.