Home / 30,136,980-41,588,739.18-16,385,944.08

Finding the Fourth Proportional to 30,136,980, 41,588,739.18 and 16,385,944.08

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Solution

The fourth proportional to 30,136,980, 41,588,739.18 and 16,385,944.08 is: 22,612,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,980 : 41,588,739.18 = 16,385,944.08 : x
  2. Step 2: Convert to fraction form
    30,136,980/41,588,739.18 = 16,385,944.08/x
  3. Step 3: Cross multiply
    30,136,980x = 41,588,739.18 × 16,385,944.08
  4. Step 4: Simplify right side
    30,136,980x = 681,470,754,561,185
  5. Step 5: Solve for x
    x = 681,470,754,561,185/30,136,980
  6. Step 6: Final answer
    x = 22,612,443.40

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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.