Home / 20,973,768.90-31,460,653.35-6,601,242.30

Finding the Fourth Proportional to 20,973,768.90, 31,460,653.35 and 6,601,242.30

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Solution

The fourth proportional to 20,973,768.90, 31,460,653.35 and 6,601,242.30 is: 9,901,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973,768.90 : 31,460,653.35 = 6,601,242.30 : x
  2. Step 2: Convert to fraction form
    20,973,768.90/31,460,653.35 = 6,601,242.30/x
  3. Step 3: Cross multiply
    20,973,768.90x = 31,460,653.35 × 6,601,242.30
  4. Step 4: Simplify right side
    20,973,768.90x = 207,679,395,679,656.72
  5. Step 5: Solve for x
    x = 207,679,395,679,656.72/20,973,768.90
  6. Step 6: Final answer
    x = 9,901,863.45

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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.