Home / 32,920,439.40-49,380,659.10-20,827,204.20

Finding the Fourth Proportional to 32,920,439.40, 49,380,659.10 and 20,827,204.20

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Solution

The fourth proportional to 32,920,439.40, 49,380,659.10 and 20,827,204.20 is: 31,240,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920,439.40 : 49,380,659.10 = 20,827,204.20 : x
  2. Step 2: Convert to fraction form
    32,920,439.40/49,380,659.10 = 20,827,204.20/x
  3. Step 3: Cross multiply
    32,920,439.40x = 49,380,659.10 × 20,827,204.20
  4. Step 4: Simplify right side
    32,920,439.40x = 1,028,461,070,606,288.25
  5. Step 5: Solve for x
    x = 1,028,461,070,606,288.25/32,920,439.40
  6. Step 6: Final answer
    x = 31,240,806.30

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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.