Home / 40,130,001.96-55,379,686.16-21,795,287.46

Finding the Fourth Proportional to 40,130,001.96, 55,379,686.16 and 21,795,287.46

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Solution

The fourth proportional to 40,130,001.96, 55,379,686.16 and 21,795,287.46 is: 30,077,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130,001.96 : 55,379,686.16 = 21,795,287.46 : x
  2. Step 2: Convert to fraction form
    40,130,001.96/55,379,686.16 = 21,795,287.46/x
  3. Step 3: Cross multiply
    40,130,001.96x = 55,379,686.16 × 21,795,287.46
  4. Step 4: Simplify right side
    40,130,001.96x = 1,207,016,179,356,271.75
  5. Step 5: Solve for x
    x = 1,207,016,179,356,271.75/40,130,001.96
  6. Step 6: Final answer
    x = 30,077,650.65

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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.