Home / 21,849,815.40-32,774,723.10-13,771,912.20

Finding the Fourth Proportional to 21,849,815.40, 32,774,723.10 and 13,771,912.20

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Solution

The fourth proportional to 21,849,815.40, 32,774,723.10 and 13,771,912.20 is: 20,657,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,815.40 : 32,774,723.10 = 13,771,912.20 : x
  2. Step 2: Convert to fraction form
    21,849,815.40/32,774,723.10 = 13,771,912.20/x
  3. Step 3: Cross multiply
    21,849,815.40x = 32,774,723.10 × 13,771,912.20
  4. Step 4: Simplify right side
    21,849,815.40x = 451,370,608,912,511.81
  5. Step 5: Solve for x
    x = 451,370,608,912,511.81/21,849,815.40
  6. Step 6: Final answer
    x = 20,657,868.30

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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.