Home / 8,784,047.76-12,120,263.24-5,518,970.84

Finding the Fourth Proportional to 8,784,047.76, 12,120,263.24 and 5,518,970.84

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Solution

The fourth proportional to 8,784,047.76, 12,120,263.24 and 5,518,970.84 is: 7,615,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,047.76 : 12,120,263.24 = 5,518,970.84 : x
  2. Step 2: Convert to fraction form
    8,784,047.76/12,120,263.24 = 5,518,970.84/x
  3. Step 3: Cross multiply
    8,784,047.76x = 12,120,263.24 × 5,518,970.84
  4. Step 4: Simplify right side
    8,784,047.76x = 66,891,379,394,683.92
  5. Step 5: Solve for x
    x = 66,891,379,394,683.92/8,784,047.76
  6. Step 6: Final answer
    x = 7,615,097.42

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1.5x scale

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.