Home / 7,338,778.20-10,997,669.70-5,404,595.40

Finding the Fourth Proportional to 7,338,778.20, 10,997,669.70 and 5,404,595.40

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Solution

The fourth proportional to 7,338,778.20, 10,997,669.70 and 5,404,595.40 is: 8,099,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,778.20 : 10,997,669.70 = 5,404,595.40 : x
  2. Step 2: Convert to fraction form
    7,338,778.20/10,997,669.70 = 5,404,595.40/x
  3. Step 3: Cross multiply
    7,338,778.20x = 10,997,669.70 × 5,404,595.40
  4. Step 4: Simplify right side
    7,338,778.20x = 59,437,955,071,339.38
  5. Step 5: Solve for x
    x = 59,437,955,071,339.38/7,338,778.20
  6. Step 6: Final answer
    x = 8,099,162.21

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1.5x scale

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.