Home / 8,783,725.51-12,120,095.23-5,518,228.87

Finding the Fourth Proportional to 8,783,725.51, 12,120,095.23 and 5,518,228.87

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Solution

The fourth proportional to 8,783,725.51, 12,120,095.23 and 5,518,228.87 is: 7,614,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,725.51 : 12,120,095.23 = 5,518,228.87 : x
  2. Step 2: Convert to fraction form
    8,783,725.51/12,120,095.23 = 5,518,228.87/x
  3. Step 3: Cross multiply
    8,783,725.51x = 12,120,095.23 × 5,518,228.87
  4. Step 4: Simplify right side
    8,783,725.51x = 66,881,459,405,335.30
  5. Step 5: Solve for x
    x = 66,881,459,405,335.30/8,783,725.51
  6. Step 6: Final answer
    x = 7,614,247.43

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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.