Home / 28,886,870.19-39,840,636.78-25,394,742.29

Finding the Fourth Proportional to 28,886,870.19, 39,840,636.78 and 25,394,742.29

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Solution

The fourth proportional to 28,886,870.19, 39,840,636.78 and 25,394,742.29 is: 35,024,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,870.19 : 39,840,636.78 = 25,394,742.29 : x
  2. Step 2: Convert to fraction form
    28,886,870.19/39,840,636.78 = 25,394,742.29/x
  3. Step 3: Cross multiply
    28,886,870.19x = 39,840,636.78 × 25,394,742.29
  4. Step 4: Simplify right side
    28,886,870.19x = 1,011,742,703,697,595.38
  5. Step 5: Solve for x
    x = 1,011,742,703,697,595.38/28,886,870.19
  6. Step 6: Final answer
    x = 35,024,310.25

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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.