Home / 34,379,172-47,444,154.96-18,909,662.40

Finding the Fourth Proportional to 34,379,172, 47,444,154.96 and 18,909,662.40

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Solution

The fourth proportional to 34,379,172, 47,444,154.96 and 18,909,662.40 is: 26,095,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379,172 : 47,444,154.96 = 18,909,662.40 : x
  2. Step 2: Convert to fraction form
    34,379,172/47,444,154.96 = 18,909,662.40/x
  3. Step 3: Cross multiply
    34,379,172x = 47,444,154.96 × 18,909,662.40
  4. Step 4: Simplify right side
    34,379,172x = 897,152,953,146,885.50
  5. Step 5: Solve for x
    x = 897,152,953,146,885.50/34,379,172
  6. Step 6: Final answer
    x = 26,095,827.82

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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.