Home / 30,409,655.51-41,964,990.54-16,470,663.86

Finding the Fourth Proportional to 30,409,655.51, 41,964,990.54 and 16,470,663.86

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Solution

The fourth proportional to 30,409,655.51, 41,964,990.54 and 16,470,663.86 is: 22,729,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,655.51 : 41,964,990.54 = 16,470,663.86 : x
  2. Step 2: Convert to fraction form
    30,409,655.51/41,964,990.54 = 16,470,663.86/x
  3. Step 3: Cross multiply
    30,409,655.51x = 41,964,990.54 × 16,470,663.86
  4. Step 4: Simplify right side
    30,409,655.51x = 691,191,252,862,594.88
  5. Step 5: Solve for x
    x = 691,191,252,862,594.88/30,409,655.51
  6. Step 6: Final answer
    x = 22,729,335.19

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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.