Home / 14,374,868.38-19,839,057.93-8,181,421

Finding the Fourth Proportional to 14,374,868.38, 19,839,057.93 and 8,181,421

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Solution

The fourth proportional to 14,374,868.38, 19,839,057.93 and 8,181,421 is: 11,291,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,868.38 : 19,839,057.93 = 8,181,421 : x
  2. Step 2: Convert to fraction form
    14,374,868.38/19,839,057.93 = 8,181,421/x
  3. Step 3: Cross multiply
    14,374,868.38x = 19,839,057.93 × 8,181,421
  4. Step 4: Simplify right side
    14,374,868.38x = 162,311,685,168,718.53
  5. Step 5: Solve for x
    x = 162,311,685,168,718.53/14,374,868.38
  6. Step 6: Final answer
    x = 11,291,351.05

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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.