Home / 14,100,614.56-19,458,800.40-7,990,207.84

Finding the Fourth Proportional to 14,100,614.56, 19,458,800.40 and 7,990,207.84

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Solution

The fourth proportional to 14,100,614.56, 19,458,800.40 and 7,990,207.84 is: 11,026,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,614.56 : 19,458,800.40 = 7,990,207.84 : x
  2. Step 2: Convert to fraction form
    14,100,614.56/19,458,800.40 = 7,990,207.84/x
  3. Step 3: Cross multiply
    14,100,614.56x = 19,458,800.40 × 7,990,207.84
  4. Step 4: Simplify right side
    14,100,614.56x = 155,479,859,513,075.12
  5. Step 5: Solve for x
    x = 155,479,859,513,075.12/14,100,614.56
  6. Step 6: Final answer
    x = 11,026,459.79

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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.