Home / 6,815,911.40-10,206,152.40-5,386,925.60

Finding the Fourth Proportional to 6,815,911.40, 10,206,152.40 and 5,386,925.60

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Solution

The fourth proportional to 6,815,911.40, 10,206,152.40 and 5,386,925.60 is: 8,066,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,911.40 : 10,206,152.40 = 5,386,925.60 : x
  2. Step 2: Convert to fraction form
    6,815,911.40/10,206,152.40 = 5,386,925.60/x
  3. Step 3: Cross multiply
    6,815,911.40x = 10,206,152.40 × 5,386,925.60
  4. Step 4: Simplify right side
    6,815,911.40x = 54,979,783,641,061.44
  5. Step 5: Solve for x
    x = 54,979,783,641,061.44/6,815,911.40
  6. Step 6: Final answer
    x = 8,066,387.66

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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.