Home / 20,485,606.77-30,730,478.47-6,651,987.08

Finding the Fourth Proportional to 20,485,606.77, 30,730,478.47 and 6,651,987.08

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Solution

The fourth proportional to 20,485,606.77, 30,730,478.47 and 6,651,987.08 is: 9,978,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,606.77 : 30,730,478.47 = 6,651,987.08 : x
  2. Step 2: Convert to fraction form
    20,485,606.77/30,730,478.47 = 6,651,987.08/x
  3. Step 3: Cross multiply
    20,485,606.77x = 30,730,478.47 × 6,651,987.08
  4. Step 4: Simplify right side
    20,485,606.77x = 204,418,745,574,375.81
  5. Step 5: Solve for x
    x = 204,418,745,574,375.81/20,485,606.77
  6. Step 6: Final answer
    x = 9,978,652.22

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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.