Home / 32,783,628.89-45,261,825.34-20,869,165.06

Finding the Fourth Proportional to 32,783,628.89, 45,261,825.34 and 20,869,165.06

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Solution

The fourth proportional to 32,783,628.89, 45,261,825.34 and 20,869,165.06 is: 28,812,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783,628.89 : 45,261,825.34 = 20,869,165.06 : x
  2. Step 2: Convert to fraction form
    32,783,628.89/45,261,825.34 = 20,869,165.06/x
  3. Step 3: Cross multiply
    32,783,628.89x = 45,261,825.34 × 20,869,165.06
  4. Step 4: Simplify right side
    32,783,628.89x = 944,576,503,772,023.12
  5. Step 5: Solve for x
    x = 944,576,503,772,023.12/32,783,628.89
  6. Step 6: Final answer
    x = 28,812,444.99

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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.