Home / 10,611,783.65-15,919,654.70-3,422,567.90

Finding the Fourth Proportional to 10,611,783.65, 15,919,654.70 and 3,422,567.90

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Solution

The fourth proportional to 10,611,783.65, 15,919,654.70 and 3,422,567.90 is: 5,134,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611,783.65 : 15,919,654.70 = 3,422,567.90 : x
  2. Step 2: Convert to fraction form
    10,611,783.65/15,919,654.70 = 3,422,567.90/x
  3. Step 3: Cross multiply
    10,611,783.65x = 15,919,654.70 × 3,422,567.90
  4. Step 4: Simplify right side
    10,611,783.65x = 54,486,099,084,262.28
  5. Step 5: Solve for x
    x = 54,486,099,084,262.28/10,611,783.65
  6. Step 6: Final answer
    x = 5,134,490.20

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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.