Home / 26,979,880.80-40,455,824.40-9,931,778.40

Finding the Fourth Proportional to 26,979,880.80, 40,455,824.40 and 9,931,778.40

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Solution

The fourth proportional to 26,979,880.80, 40,455,824.40 and 9,931,778.40 is: 14,892,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979,880.80 : 40,455,824.40 = 9,931,778.40 : x
  2. Step 2: Convert to fraction form
    26,979,880.80/40,455,824.40 = 9,931,778.40/x
  3. Step 3: Cross multiply
    26,979,880.80x = 40,455,824.40 × 9,931,778.40
  4. Step 4: Simplify right side
    26,979,880.80x = 401,798,282,930,112.94
  5. Step 5: Solve for x
    x = 401,798,282,930,112.94/26,979,880.80
  6. Step 6: Final answer
    x = 14,892,515.13

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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.