Home / 32,986,998.30-49,480,497.45-20,816,999.40

Finding the Fourth Proportional to 32,986,998.30, 49,480,497.45 and 20,816,999.40

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Solution

The fourth proportional to 32,986,998.30, 49,480,497.45 and 20,816,999.40 is: 31,225,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986,998.30 : 49,480,497.45 = 20,816,999.40 : x
  2. Step 2: Convert to fraction form
    32,986,998.30/49,480,497.45 = 20,816,999.40/x
  3. Step 3: Cross multiply
    32,986,998.30x = 49,480,497.45 × 20,816,999.40
  4. Step 4: Simplify right side
    32,986,998.30x = 1,030,035,485,728,351.50
  5. Step 5: Solve for x
    x = 1,030,035,485,728,351.50/32,986,998.30
  6. Step 6: Final answer
    x = 31,225,499.10

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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.