Home / 13,823,181.38-19,075,998.42-7,711,609.88

Finding the Fourth Proportional to 13,823,181.38, 19,075,998.42 and 7,711,609.88

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Solution

The fourth proportional to 13,823,181.38, 19,075,998.42 and 7,711,609.88 is: 10,642,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,181.38 : 19,075,998.42 = 7,711,609.88 : x
  2. Step 2: Convert to fraction form
    13,823,181.38/19,075,998.42 = 7,711,609.88/x
  3. Step 3: Cross multiply
    13,823,181.38x = 19,075,998.42 × 7,711,609.88
  4. Step 4: Simplify right side
    13,823,181.38x = 147,106,657,934,226.41
  5. Step 5: Solve for x
    x = 147,106,657,934,226.41/13,823,181.38
  6. Step 6: Final answer
    x = 10,642,026.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.