Home / 8,725,742.88-12,041,063.76-5,004,381.72

Finding the Fourth Proportional to 8,725,742.88, 12,041,063.76 and 5,004,381.72

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Solution

The fourth proportional to 8,725,742.88, 12,041,063.76 and 5,004,381.72 is: 6,905,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725,742.88 : 12,041,063.76 = 5,004,381.72 : x
  2. Step 2: Convert to fraction form
    8,725,742.88/12,041,063.76 = 5,004,381.72/x
  3. Step 3: Cross multiply
    8,725,742.88x = 12,041,063.76 × 5,004,381.72
  4. Step 4: Simplify right side
    8,725,742.88x = 60,258,079,369,898.46
  5. Step 5: Solve for x
    x = 60,258,079,369,898.46/8,725,742.88
  6. Step 6: Final answer
    x = 6,905,782.14

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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.