Home / 8,637,903.05-12,959,276.06-3,780,632.54

Finding the Fourth Proportional to 8,637,903.05, 12,959,276.06 and 3,780,632.54

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Solution

The fourth proportional to 8,637,903.05, 12,959,276.06 and 3,780,632.54 is: 5,672,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,903.05 : 12,959,276.06 = 3,780,632.54 : x
  2. Step 2: Convert to fraction form
    8,637,903.05/12,959,276.06 = 3,780,632.54/x
  3. Step 3: Cross multiply
    8,637,903.05x = 12,959,276.06 × 3,780,632.54
  4. Step 4: Simplify right side
    8,637,903.05x = 48,994,260,809,128.77
  5. Step 5: Solve for x
    x = 48,994,260,809,128.77/8,637,903.05
  6. Step 6: Final answer
    x = 5,672,008.65

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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.