Home / 13,935,461.40-20,895,056.46-5,405,830.92

Finding the Fourth Proportional to 13,935,461.40, 20,895,056.46 and 5,405,830.92

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Solution

The fourth proportional to 13,935,461.40, 20,895,056.46 and 5,405,830.92 is: 8,105,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,461.40 : 20,895,056.46 = 5,405,830.92 : x
  2. Step 2: Convert to fraction form
    13,935,461.40/20,895,056.46 = 5,405,830.92/x
  3. Step 3: Cross multiply
    13,935,461.40x = 20,895,056.46 × 5,405,830.92
  4. Step 4: Simplify right side
    13,935,461.40x = 112,955,142,286,613.75
  5. Step 5: Solve for x
    x = 112,955,142,286,613.75/13,935,461.40
  6. Step 6: Final answer
    x = 8,105,590.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.