Home / 28,886,869.19-39,840,635.40-25,394,741.29

Finding the Fourth Proportional to 28,886,869.19, 39,840,635.40 and 25,394,741.29

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Solution

The fourth proportional to 28,886,869.19, 39,840,635.40 and 25,394,741.29 is: 35,024,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,869.19 : 39,840,635.40 = 25,394,741.29 : x
  2. Step 2: Convert to fraction form
    28,886,869.19/39,840,635.40 = 25,394,741.29/x
  3. Step 3: Cross multiply
    28,886,869.19x = 39,840,635.40 × 25,394,741.29
  4. Step 4: Simplify right side
    28,886,869.19x = 1,011,742,628,812,215.62
  5. Step 5: Solve for x
    x = 1,011,742,628,812,215.62/28,886,869.19
  6. Step 6: Final answer
    x = 35,024,308.87

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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.