Home / 18,302,574.40-25,247,058.96-11,415,099.04

Finding the Fourth Proportional to 18,302,574.40, 25,247,058.96 and 11,415,099.04

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Solution

The fourth proportional to 18,302,574.40, 25,247,058.96 and 11,415,099.04 is: 15,746,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302,574.40 : 25,247,058.96 = 11,415,099.04 : x
  2. Step 2: Convert to fraction form
    18,302,574.40/25,247,058.96 = 11,415,099.04/x
  3. Step 3: Cross multiply
    18,302,574.40x = 25,247,058.96 × 11,415,099.04
  4. Step 4: Simplify right side
    18,302,574.40x = 288,197,678,497,119.38
  5. Step 5: Solve for x
    x = 288,197,678,497,119.38/18,302,574.40
  6. Step 6: Final answer
    x = 15,746,291.87

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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.