Home / 8,119,765.17-11,205,275.67-4,448,820.81

Finding the Fourth Proportional to 8,119,765.17, 11,205,275.67 and 4,448,820.81

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Solution

The fourth proportional to 8,119,765.17, 11,205,275.67 and 4,448,820.81 is: 6,139,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,765.17 : 11,205,275.67 = 4,448,820.81 : x
  2. Step 2: Convert to fraction form
    8,119,765.17/11,205,275.67 = 4,448,820.81/x
  3. Step 3: Cross multiply
    8,119,765.17x = 11,205,275.67 × 4,448,820.81
  4. Step 4: Simplify right side
    8,119,765.17x = 49,850,263,582,482.69
  5. Step 5: Solve for x
    x = 49,850,263,582,482.69/8,119,765.17
  6. Step 6: Final answer
    x = 6,139,372.57

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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.