Home / 7,785,918.56-10,744,874.94-4,478,207.50

Finding the Fourth Proportional to 7,785,918.56, 10,744,874.94 and 4,478,207.50

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Solution

The fourth proportional to 7,785,918.56, 10,744,874.94 and 4,478,207.50 is: 6,180,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,918.56 : 10,744,874.94 = 4,478,207.50 : x
  2. Step 2: Convert to fraction form
    7,785,918.56/10,744,874.94 = 4,478,207.50/x
  3. Step 3: Cross multiply
    7,785,918.56x = 10,744,874.94 × 4,478,207.50
  4. Step 4: Simplify right side
    7,785,918.56x = 48,117,779,542,870.05
  5. Step 5: Solve for x
    x = 48,117,779,542,870.05/7,785,918.56
  6. Step 6: Final answer
    x = 6,180,103.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.