Home / 20,544,047.20-30,816,070.80-9,927,215.20

Finding the Fourth Proportional to 20,544,047.20, 30,816,070.80 and 9,927,215.20

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Solution

The fourth proportional to 20,544,047.20, 30,816,070.80 and 9,927,215.20 is: 14,890,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,047.20 : 30,816,070.80 = 9,927,215.20 : x
  2. Step 2: Convert to fraction form
    20,544,047.20/30,816,070.80 = 9,927,215.20/x
  3. Step 3: Cross multiply
    20,544,047.20x = 30,816,070.80 × 9,927,215.20
  4. Step 4: Simplify right side
    20,544,047.20x = 305,917,766,450,036.12
  5. Step 5: Solve for x
    x = 305,917,766,450,036.12/20,544,047.20
  6. Step 6: Final answer
    x = 14,890,822.80

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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.