Home / 14,434,429.19-19,919,346.22-7,818,891.34

Finding the Fourth Proportional to 14,434,429.19, 19,919,346.22 and 7,818,891.34

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Solution

The fourth proportional to 14,434,429.19, 19,919,346.22 and 7,818,891.34 is: 10,789,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434,429.19 : 19,919,346.22 = 7,818,891.34 : x
  2. Step 2: Convert to fraction form
    14,434,429.19/19,919,346.22 = 7,818,891.34/x
  3. Step 3: Cross multiply
    14,434,429.19x = 19,919,346.22 × 7,818,891.34
  4. Step 4: Simplify right side
    14,434,429.19x = 155,747,203,587,794.09
  5. Step 5: Solve for x
    x = 155,747,203,587,794.09/14,434,429.19
  6. Step 6: Final answer
    x = 10,789,980.09

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1.5x scale

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.