Home / 13,190,437.20-19,784,999.70-6,801,335.40

Finding the Fourth Proportional to 13,190,437.20, 19,784,999.70 and 6,801,335.40

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Solution

The fourth proportional to 13,190,437.20, 19,784,999.70 and 6,801,335.40 is: 10,201,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,437.20 : 19,784,999.70 = 6,801,335.40 : x
  2. Step 2: Convert to fraction form
    13,190,437.20/19,784,999.70 = 6,801,335.40/x
  3. Step 3: Cross multiply
    13,190,437.20x = 19,784,999.70 × 6,801,335.40
  4. Step 4: Simplify right side
    13,190,437.20x = 134,564,418,848,599.38
  5. Step 5: Solve for x
    x = 134,564,418,848,599.38/13,190,437.20
  6. Step 6: Final answer
    x = 10,201,664.80

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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.