Home / 8,615,853.46-11,891,903.86-5,355,130.76

Finding the Fourth Proportional to 8,615,853.46, 11,891,903.86 and 5,355,130.76

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Solution

The fourth proportional to 8,615,853.46, 11,891,903.86 and 5,355,130.76 is: 7,391,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,853.46 : 11,891,903.86 = 5,355,130.76 : x
  2. Step 2: Convert to fraction form
    8,615,853.46/11,891,903.86 = 5,355,130.76/x
  3. Step 3: Cross multiply
    8,615,853.46x = 11,891,903.86 × 5,355,130.76
  4. Step 4: Simplify right side
    8,615,853.46x = 63,682,700,155,648.73
  5. Step 5: Solve for x
    x = 63,682,700,155,648.73/8,615,853.46
  6. Step 6: Final answer
    x = 7,391,339.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.