Home / 9,178,846.90-13,778,877.30-4,927,318.90

Finding the Fourth Proportional to 9,178,846.90, 13,778,877.30 and 4,927,318.90

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Solution

The fourth proportional to 9,178,846.90, 13,778,877.30 and 4,927,318.90 is: 7,396,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,846.90 : 13,778,877.30 = 4,927,318.90 : x
  2. Step 2: Convert to fraction form
    9,178,846.90/13,778,877.30 = 4,927,318.90/x
  3. Step 3: Cross multiply
    9,178,846.90x = 13,778,877.30 × 4,927,318.90
  4. Step 4: Simplify right side
    9,178,846.90x = 67,892,922,541,070.98
  5. Step 5: Solve for x
    x = 67,892,922,541,070.98/9,178,846.90
  6. Step 6: Final answer
    x = 7,396,672.29

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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.