Home / 8,520,865.41-11,758,887.72-4,653,500.37

Finding the Fourth Proportional to 8,520,865.41, 11,758,887.72 and 4,653,500.37

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Solution

The fourth proportional to 8,520,865.41, 11,758,887.72 and 4,653,500.37 is: 6,421,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,865.41 : 11,758,887.72 = 4,653,500.37 : x
  2. Step 2: Convert to fraction form
    8,520,865.41/11,758,887.72 = 4,653,500.37/x
  3. Step 3: Cross multiply
    8,520,865.41x = 11,758,887.72 × 4,653,500.37
  4. Step 4: Simplify right side
    8,520,865.41x = 54,719,988,355,808.46
  5. Step 5: Solve for x
    x = 54,719,988,355,808.46/8,520,865.41
  6. Step 6: Final answer
    x = 6,421,881.55

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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.