Home / 5,415,316.20-8,122,974.30-5,377,991.40

Finding the Fourth Proportional to 5,415,316.20, 8,122,974.30 and 5,377,991.40

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Solution

The fourth proportional to 5,415,316.20, 8,122,974.30 and 5,377,991.40 is: 8,066,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,316.20 : 8,122,974.30 = 5,377,991.40 : x
  2. Step 2: Convert to fraction form
    5,415,316.20/8,122,974.30 = 5,377,991.40/x
  3. Step 3: Cross multiply
    5,415,316.20x = 8,122,974.30 × 5,377,991.40
  4. Step 4: Simplify right side
    5,415,316.20x = 43,685,285,927,821.02
  5. Step 5: Solve for x
    x = 43,685,285,927,821.02/5,415,316.20
  6. Step 6: Final answer
    x = 8,066,987.10

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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.