Home / 8,913,164.70-12,300,218.45-5,242,236.00

Finding the Fourth Proportional to 8,913,164.70, 12,300,218.45 and 5,242,236.00

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Solution

The fourth proportional to 8,913,164.70, 12,300,218.45 and 5,242,236.00 is: 7,234,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,164.70 : 12,300,218.45 = 5,242,236.00 : x
  2. Step 2: Convert to fraction form
    8,913,164.70/12,300,218.45 = 5,242,236.00/x
  3. Step 3: Cross multiply
    8,913,164.70x = 12,300,218.45 × 5,242,236.00
  4. Step 4: Simplify right side
    8,913,164.70x = 64,480,647,913,775.59
  5. Step 5: Solve for x
    x = 64,480,647,913,775.59/8,913,164.70
  6. Step 6: Final answer
    x = 7,234,315.76

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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.