Home / 9,178,356.40-13,772,783.40-6,340,505.20

Finding the Fourth Proportional to 9,178,356.40, 13,772,783.40 and 6,340,505.20

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Solution

The fourth proportional to 9,178,356.40, 13,772,783.40 and 6,340,505.20 is: 9,514,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,356.40 : 13,772,783.40 = 6,340,505.20 : x
  2. Step 2: Convert to fraction form
    9,178,356.40/13,772,783.40 = 6,340,505.20/x
  3. Step 3: Cross multiply
    9,178,356.40x = 13,772,783.40 × 6,340,505.20
  4. Step 4: Simplify right side
    9,178,356.40x = 87,326,404,766,173.69
  5. Step 5: Solve for x
    x = 87,326,404,766,173.69/9,178,356.40
  6. Step 6: Final answer
    x = 9,514,383.73

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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.