Home / 8,721,440.80-13,082,744.40-2,964,090.40

Finding the Fourth Proportional to 8,721,440.80, 13,082,744.40 and 2,964,090.40

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Solution

The fourth proportional to 8,721,440.80, 13,082,744.40 and 2,964,090.40 is: 4,446,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,440.80 : 13,082,744.40 = 2,964,090.40 : x
  2. Step 2: Convert to fraction form
    8,721,440.80/13,082,744.40 = 2,964,090.40/x
  3. Step 3: Cross multiply
    8,721,440.80x = 13,082,744.40 × 2,964,090.40
  4. Step 4: Simplify right side
    8,721,440.80x = 38,778,437,081,693.76
  5. Step 5: Solve for x
    x = 38,778,437,081,693.76/8,721,440.80
  6. Step 6: Final answer
    x = 4,446,333.81

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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.