Home / 8,303,992.40-12,455,988.60-6,178,228.40

Finding the Fourth Proportional to 8,303,992.40, 12,455,988.60 and 6,178,228.40

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Solution

The fourth proportional to 8,303,992.40, 12,455,988.60 and 6,178,228.40 is: 9,267,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,992.40 : 12,455,988.60 = 6,178,228.40 : x
  2. Step 2: Convert to fraction form
    8,303,992.40/12,455,988.60 = 6,178,228.40/x
  3. Step 3: Cross multiply
    8,303,992.40x = 12,455,988.60 × 6,178,228.40
  4. Step 4: Simplify right side
    8,303,992.40x = 76,955,942,518,596.25
  5. Step 5: Solve for x
    x = 76,955,942,518,596.25/8,303,992.40
  6. Step 6: Final answer
    x = 9,267,342.60

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Double scale
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Similar ratio
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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.