Home / 19,808,701.20-29,713,051.80-5,433,222.15

Finding the Fourth Proportional to 19,808,701.20, 29,713,051.80 and 5,433,222.15

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Solution

The fourth proportional to 19,808,701.20, 29,713,051.80 and 5,433,222.15 is: 8,149,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808,701.20 : 29,713,051.80 = 5,433,222.15 : x
  2. Step 2: Convert to fraction form
    19,808,701.20/29,713,051.80 = 5,433,222.15/x
  3. Step 3: Cross multiply
    19,808,701.20x = 29,713,051.80 × 5,433,222.15
  4. Step 4: Simplify right side
    19,808,701.20x = 161,437,611,183,857.38
  5. Step 5: Solve for x
    x = 161,437,611,183,857.38/19,808,701.20
  6. Step 6: Final answer
    x = 8,149,833.23

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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.