Home / 7,771,210.40-11,656,815.60-7,621,911.20

Finding the Fourth Proportional to 7,771,210.40, 11,656,815.60 and 7,621,911.20

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Solution

The fourth proportional to 7,771,210.40, 11,656,815.60 and 7,621,911.20 is: 11,432,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,210.40 : 11,656,815.60 = 7,621,911.20 : x
  2. Step 2: Convert to fraction form
    7,771,210.40/11,656,815.60 = 7,621,911.20/x
  3. Step 3: Cross multiply
    7,771,210.40x = 11,656,815.60 × 7,621,911.20
  4. Step 4: Simplify right side
    7,771,210.40x = 88,847,213,377,974.72
  5. Step 5: Solve for x
    x = 88,847,213,377,974.72/7,771,210.40
  6. Step 6: Final answer
    x = 11,432,866.80

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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.