Home / 7,641,807.40-11,462,711.10-5,090,890.60

Finding the Fourth Proportional to 7,641,807.40, 11,462,711.10 and 5,090,890.60

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Solution

The fourth proportional to 7,641,807.40, 11,462,711.10 and 5,090,890.60 is: 7,636,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,807.40 : 11,462,711.10 = 5,090,890.60 : x
  2. Step 2: Convert to fraction form
    7,641,807.40/11,462,711.10 = 5,090,890.60/x
  3. Step 3: Cross multiply
    7,641,807.40x = 11,462,711.10 × 5,090,890.60
  4. Step 4: Simplify right side
    7,641,807.40x = 58,355,408,189,505.66
  5. Step 5: Solve for x
    x = 58,355,408,189,505.66/7,641,807.40
  6. Step 6: Final answer
    x = 7,636,335.90

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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.