Home / 40,555,351.86-55,966,155.59-21,970,855.48

Finding the Fourth Proportional to 40,555,351.86, 55,966,155.59 and 21,970,855.48

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Solution

The fourth proportional to 40,555,351.86, 55,966,155.59 and 21,970,855.48 is: 30,319,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555,351.86 : 55,966,155.59 = 21,970,855.48 : x
  2. Step 2: Convert to fraction form
    40,555,351.86/55,966,155.59 = 21,970,855.48/x
  3. Step 3: Cross multiply
    40,555,351.86x = 55,966,155.59 × 21,970,855.48
  4. Step 4: Simplify right side
    40,555,351.86x = 1,229,624,316,259,032.50
  5. Step 5: Solve for x
    x = 1,229,624,316,259,032.50/40,555,351.86
  6. Step 6: Final answer
    x = 30,319,655.98

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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.