Home / 20,185,674.48-30,278,941.92-7,232,671.32

Finding the Fourth Proportional to 20,185,674.48, 30,278,941.92 and 7,232,671.32

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Solution

The fourth proportional to 20,185,674.48, 30,278,941.92 and 7,232,671.32 is: 10,849,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,674.48 : 30,278,941.92 = 7,232,671.32 : x
  2. Step 2: Convert to fraction form
    20,185,674.48/30,278,941.92 = 7,232,671.32/x
  3. Step 3: Cross multiply
    20,185,674.48x = 30,278,941.92 × 7,232,671.32
  4. Step 4: Simplify right side
    20,185,674.48x = 218,997,634,824,729.75
  5. Step 5: Solve for x
    x = 218,997,634,824,729.75/20,185,674.48
  6. Step 6: Final answer
    x = 10,849,161.12

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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.